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"Danish Demes"
Lineages and Results of Y-chromosome DNA Testing for a Regional Danish DNA Project
Haplogroup I2
Y-DNA
Results
Hub
Y-DNA Haplogroups Represented in the Project
and Their Frequency (n tested at FTDNA + n tested elsewhere)
mtDNA
Results
Hub
Project
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F (1 + 0) G (2 + 0) I1 (17+ 1) I2 (5 + 0) J2 (1 + 0) R1a (3 + 1) R1b (16 + 0)

Haplogroup I is found almost exclusively in Europe where it is represented in about 20% of the population, though subclade I2 is decidedly less common than its sister clade, I1.  It's difficult to generalize about I2 because it contains a number of geographically limited subgroups.  One group of I2a is concentrated in the Balkans and is called "Dinaric" (for a mountain range there, the Dinaric Alps), while another group is found around the Baltic and North Sea coastal areas, another in the British Isles, and another in Sardinia and Iberia.  The root clade of I2b is uncommon, with a probable origin from an Iberian glacial refugium from which it spread widely in western Europe.  The main variety of I2b, dubbed "Continental," is most common in northwestern Europe, southern Scandinavia, and Britain.  Another group is almost exclusive to the British Isles with a concentration in Scotland.

So far, five members of Danish Demes are Haplogroup I2:

I2a-Dinaric
(n = 1)
I2b1-Root
(n = 1)
I2b1-Continental-1
(n = 2)
I2b1-Continental-2
(n = 1)

Unlike Haplogroup I1, which is universally 8 at marker DYS455, Haplogroup I2 is usually 11 at this marker (sometimes 10 and very rarely 9). 

Ken Nordtvedt is the guru researching Hg I subclades (see his Excel spreadsheet; modals below are his).  For a table showing modal haplotypes for Hg I varieties in FamilyTreeDNA marker order, please also see my HTML transcription of Nordtvedt's spreadsheet.
The Y-DNA haplotree has undergone a major revision in 2008.  For Haplogroup I, the major change is the removal of old I1 based on the P38 SNP, which means all downstream clades have been "bumped up" a notch.  What that means for us is that everyone who was formerly I1b is now I2.  This change has been adopted by FTDNA, ISOGG, Nordvedt, and by me here on these web pages (as of Aug 2008).  FTNDA is not recognizing the subclade defined by M223, so those who are I21b under the ISOGG system will be I2b on their FTDNA member page.
Nordtvedt's Chart (2008) ISOGG Chart (2008) FTDNA Chart (2008)
Subclade Defining SNPs Subclade Defining SNPs Subclade Defining SNPs
I P19 P38 M170 M258 I P19 P38 M170 M258 P212 U179 I P19 P38 M170 M258 P212 U179
I1 all of I and P30 P40 M253 M307 I1 all of I and P30 P40 M253 M307 I1 all of I and P30 P40 M253 M307
I2 all of I and S31 I2 all of I and M438/P215/S31 I2 all of I and P215
I2a all of I2 and P37.2 I2a all of I2 and P37.2 I2a all of I2 and P37.2
I2a1 all of I2a and M26 I2a1 all of I2a and M423 I2a1 all of I2a and P41.2/M359
I2a1a all of I2a1 and M161 I2a1a all of I2a1 and P41.2/M359.2 I2a2 all of I2a and M26
I2a2 all of I2a and M423 I2a2 all of I2a and M26 I2a2a all of I2a2 and M161
I2a2a all of I2a2 and M359/P41.2 I2a2a all of I2a2 and M161    
I2b all of I2 and S23 S30 S32 S33 I2b all of I2 and M436/P14/S33 P216/S30
P217/S23 P218/S32
I2b all of I2 and M223 P214 P216 P217 P218 P219 P220 P221 P222/U250 P223
I2b1 all of I2b and M223 S24 I2b1 all of I2b and M223 P219/S24 P220/S119 P221/S120 P222/U250/S118 P223/S117
I2b1a all of I2b1 and M284 I2b1a all of I2b1 and M284 I2b1 all of I2b and M284
I2b1b all of I2b1 and M379 I2b1b all of I2b1 and M379 I2b2 all of I2b and M379
I2b1c all of I2b1 and P78 I2b1c all of I2b1 and P78 I2b3 all of I2b and P78
I2b1d all of I2b1 and P95 I2b1d all of I2b1 and P95 I2b4 all of I2b and P95

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Red labels indicate markers that typically mutate more frequently than those labeled in black. Marker 464 mutates most rapidly of all and sometimes has five to seven counts (a-g), not just four (a-d).
(Empty cells that are darkened indicate tests not ordered.)

I2a-Dinaric
Surname Kit # Ysearch
Code

SNP
Test
Haplotype — as determined by STR testing Known Lineage
Markers 1-12 Markers 13-25 Markers 26-37 Markers 38-67
3
9
3
3
9
0

19
/
3
9
4
3
9
1
a
|
3
8
5
b
|
3
8
5
4
2
6
3
8
8
4
3
9
i
|
3
8
9
3
9
2
ii
|
3
8
9
4
5
8
a
|
4
5
9
b
|
4
5
9
4
5
5
4
5
4
4
4
7
4
3
7
4
4
8
4
4
9
a
|
4
6
4
b
|
4
6
4
c
|
4
6
4
d
|
4
6
4
4
6
0
H4
|
G
A
T
A
IIa
|
Y
C
A
IIb
|
Y
C
A
4
5
6
6
0
7
5
7
6
5
7
0
a
|
C
D
Y
b
|
C
D
Y
4
4
2
4
3
8
5
3
1
5
7
8
a
|
S1
3
9
5
b
|
S1
3
9
5
5
9
0
5
3
7
6
4
1
4
7
2
S1
4
0
6
5
1
1
4
2
5
a
|
4
1
3
b
|
4
1
3
5
5
7
5
9
4
4
3
6
4
9
0
5
3
4
4
5
0
4
4
4
4
8
1
5
2
0
4
4
6
6
1
7
5
6
8
4
8
7
5
7
2
6
4
0
4
9
2
5
6
5
I2a-Dinaric Modal Values 13 24 16 11 14 15 11 13 13 13 11 31 17 8 10 11 11 25 15 20 32 12 14 15 15 10 10 21 21 15 12         11 10 11 8 15 15 7 12 10 8 11 9 12 22 22 16 10 12 12 12 7 10 30 21 13 14 10 13 11 11 12 9 Key markers boldfaced and/or highlighted in color.
I2a-Dinaric-2 Modal Values 13 24 16 10 14 15 11 13 12 13 11 31 17 8 10 11 11 25 15 20 32 12 14 15 15 10 10 21 21 15 12         11 10                                       10     13               Key markers boldfaced and/or highlighted in color.
               
JØRGENSEN N52741     13 24 16 10 15 15 11 13 13 12 11 31                                                                                                               Pvt [awaiting lineage] JØRGENSEN of Ålborg Amt, DK
This individual appears to be some form of Ken Nordtvedt's Dinaric variety, but it's unclear which form because he has one trait from each.  He has no matches in  the FTDNA, Ysearch, or SMGF databases.  Because this haplotype appears unique, your project admin recommends deep SNP testing and upgrading to at least 37 markers.
   

I2b1-Root
Surname Kit # Ysearch
Code

SNP
Tests
Haplotype — as determined by STR testing Known Lineage
Markers 1-12 Markers 13-25 Markers 26-37 Markers 38-67
3
9
3
3
9
0
19
/
3
9
4
3
9
1
a
|
3
8
5
b
|
3
8
5
4
2
6
3
8
8
4
3
9
i
|
3
8
9
3
9
2
ii
|
3
8
9
4
5
8
a
|
4
5
9
b
|
4
5
9
4
5
5
4
5
4
4
4
7
4
3
7
4
4
8
4
4
9
a
|
4
6
4
b
|
4
6
4
c
|
4
6
4
4
6
4
d
4
6
0
H4
|
G
A
T
A
IIa
|
Y
C
A
IIb
|
Y
C
A
4
5
6
6
0
7
5
7
6
5
7
0
a
|
C
D
Y
b
|
C
D
Y
4
4
2
4
3
8
5
3
1
5
7
8
a
|
S1
3
9
5
b
|
S1
3
9
5
5
9
0
5
3
7
6
4
1
4
7
2
S1
4
0
6
5
1
1
4
2
5
a
|
4
1
3
b
|
4
1
3
5
5
7
5
9
4
4
3
6
4
9
0
5
3
4
4
5
0
4
4
4
4
8
1
5
2
0
4
4
6
6
1
7
5
6
8
4
8
7
5
7
2
6
4
0
4
9
2
5
6
5
I2b1-Root1 Modal Values 14 23 16 10 15 15 11 13 11 13 12 29 15 8 10 11 11 26 15 20 28 11 13 14 15 11 10 19 19 16 15         12 10 11 8 15 16 8   10 8 11 9 12       11 12 12 16 9 14     8               Key markers boldfaced and/or highlighted in color.
I2b1-Root2 Modal Values 14 23 16 11 15 16 11 13 11 13 12 29 15 8 10 11 11 26 15 20 29 11 13 14 15 10 10 19 19 17 15         12 10 11 8 15 16 8   10 8 11 9 12       11 12 12 16 9 14/15     9               Key markers boldfaced and/or highlighted in color.
                 
LARSEN 82373 F2E6Q Deep 14 23 17 11 15 15 11 13 11 13 12 28 15 8 10 11 11 26 16 20 29 11 13 14 15 11 10 19 19 17 17 17 21 36 37 12 10                                                             Pvt8, Pvt7, Christian LARSEN6, Anders Larsen5, Lars Nielsen4, Niels Larsen3, Lars Hansen2, Hans1 — of Dalby, Krogstrup Sogn, Horns Herred, Frederiksborg Amt, DK
#82373 has a rare haplotype, with no matches at any level in the FTDNA or Ysearch databases.  While he resembles two of the three "Root" varieties of I2b1 defined by Nordtvedt, it's a toss-up whether he most closely resembles Root1 or Root2, leaning toward the latter.  Upgrading to 67 markers (and thus gaining Marker DYS446) might tip the scale towards Root2 (or balance it exactly).
Our subject has opted for deep SNP testing, with these results:
P19+ M170+ M258+ P38+ M223+ P37.2- M161- M26- M21- M227- M253-  M307- M72- P30-
The first four positive results prove our subject is Haplogroup I.  The fifth positive result proves he is I2b1.  The first three negative results confirm that he is not any form of I2a.  The remaining six negative results confirm that he is not any form of I1.  Our subject may wish to consider taking the "I1b2 [= new I2b] subgroup" test bundle at EthnoAncestry to determine his I2b subclade.
   

I2b1-Continental-1 — Deme 1
Surname Kit # Ysearch
User ID

SNP
Tests
Haplotype — as determined by STR testing Known Lineage
Markers 1-12 Markers 13-25 Markers 26-37 Markers 38-67
3
9
3
3
9
0
19
/
3
9
4
3
9
1
a
|
3
8
5
b
|
3
8
5
4
2
6
3
8
8
4
3
9
i
|
3
8
9
3
9
2
ii
|
3
8
9
4
5
8
a
|
4
5
9
b
|
4
5
9
4
5
5
4
5
4
4
4
7
4
3
7
4
4
8
4
4
9
a
|
4
6
4
b
|
4
6
4
c
|
4
6
4
4
6
4
d
4
6
0
H4
|
G
A
T
A
IIa
|
Y
C
A
IIb
|
Y
C
A
4
5
6
6
0
7
5
7
6
5
7
0
a
|
C
D
Y
b
|
C
D
Y
4
4
2
4
3
8
5
3
1
5
7
8
a
|
S1
3
9
5
b
|
S1
3
9
5
5
9
0
5
3
7
6
4
1
4
7
2
S1
4
0
6
5
1
1
4
2
5
a
|
4
1
3
b
|
4
1
3
5
5
7
5
9
4
4
3
6
4
9
0
5
3
4
4
5
0
4
4
4
4
8
1
5
2
0
4
4
6
6
1
7
5
6
8
4
8
7
5
7
2
6
4
0
4
9
2
5
6
5
I2b1-Continental-1 Modal Values 14 23 15 10 15 15 11 13 11 14 12 31 15 8 10 11 11 25 14 20 27 11 14 14 15 11 9 19 21 14 14         12 10 11 8 15 16 8   10 8   9 12 22 22 15 11 12 12 13 9 13 27 20 11     12   12   Modals as per Nordtvedt (30 Oct 2007).
                 
ANDERSEN N22636 383M2 Deep 14 23 14 10 15 15 11 13 11 14 12 31 15 8  9 11 11 25 14 20 27 11 14 15 15 11 9 19 21 14 14 17 19 34 37 11 10 11 8 15 16 8 11 10 8 9 9 12 21 22 15 11 12 12 13 9 13 27 20 11 13 13 12 10 12 12 11 Pvt [awaiting lineage] Jakob Andersen1 — Toksværd, Toksværd Sogn, Hammer Herred, Præstø Amt, DK
This individual has a perfect match with the key markers for Nordtvedt's "Continental 1" variety of I2b1.  His haplotype is uncommon.  He has just two 12/12 matches and one near match at 25 markers in the FTDNA database.  At 25 or more markers, his haplotype is unique.
Our subject has opted for deep SNP testing, with these results:
P19+ M170+ M258+ P38+ M223+ P37.2- M161- M26- M21- M227- M253-  M307- M72- P30-
The first four positive results prove our subject is Haplogroup I.  The fifth positive result proves he is I2b1.  The first three negative results confirm that he is not any form of I2a.  The remaining six negative results confirm that he is not any form of I1.  Our subject may wish to consider taking the "I1b2 [= new I2b] subgroup" test bundle at EthnoAncestry to determine his I2b subclade.
   
I2b1-Continental-1 — Deme 2
Surname Kit # Ysearch
Code

SNP
Tests
Haplotype — as determined by STR testing Known Lineage
Markers 1-12 Markers 13-25 Markers 26-37 Markers 38-67
3
9
3
3
9
0
19
/
3
9
4
3
9
1
a
|
3
8
5
b
|
3
8
5
4
2
6
3
8
8
4
3
9
i
|
3
8
9
3
9
2
ii
|
3
8
9
4
5
8
a
|
4
5
9
b
|
4
5
9
4
5
5
4
5
4
4
4
7
4
3
7
4
4
8
4
4
9
a
|
4
6
4
b
|
4
6
4
c
|
4
6
4
4
6
4
d
4
6
0
H4
|
G
A
T
A
IIa
|
Y
C
A
IIb
|
Y
C
A
4
5
6
6
0
7
5
7
6
5
7
0
a
|
C
D
Y
b
|
C
D
Y
4
4
2
4
3
8
5
3
1
5
7
8
a
|
S1
3
9
5
b
|
S1
3
9
5
5
9
0
5
3
7
6
4
1
4
7
2
S1
4
0
6
5
1
1
4
2
5
a
|
4
1
3
b
|
4
1
3
5
5
7
5
9
4
4
3
6
4
9
0
5
3
4
4
5
0
4
4
4
4
8
1
5
2
0
4
4
6
6
1
7
5
6
8
4
8
7
5
7
2
6
4
0
4
9
2
5
6
5
I2b1-Continental-1 Modal Values 14 23 15 10 15 15 11 13 11 14 12 32 15 8 10 11 11 25 14 20 27 11 14 14 15 11 9 19 21 14 14         12 10 11 8 15 16 8   10 8   9 12 21 22 15 11 12 12 13 9 13 27 20 11     12   12     Key markers boldfaced and/or highlighted in color.
                 
ERIKSEN 64043 KTZM8 Deep 12 23 15 10 15 16 11 13 11 15 12 32 15 8 10 11 11 25 14 20 27 11 14 15 15 11 9 19 21 14 14 16 19 34 39 12 10 11 8 15 16 8 10 10 8 10 9 12 21 22 15 11 12 13 13 9 12 26 20 12 13 12 12 10 12 12 11 Pvt3, Pvt2, Jørgen ERIKSEN1 of Århus, Århus Sogn, Hasle Herred, Århus Amt, DK
#64043 has an extremely rare haplotype, with no matches at any level in the FTDNA database and only some low level matches at Ysearch and SMGF.  While his haplotype shows him closest to I2b1-Continental-1, he has unusual values at two markers (green table cells), which in part account for his lack of matches.  As more varieties of I2b1 are defined, I think we can expect this individual to fall into a new variety.
Our subject has opted for deep SNP testing, with these results:
P19+ M170+ M258+ P38+ M223+ P37.2- M161- M26- M21- M227- M253-  M307- M72- P30-
The first four positive results prove our subject is Haplogroup I.  The fifth positive result proves he is I1b1.  The first three negative results confirm that he is not any form of I2a.  The remaining six negative results confirm that he is not any form of I1.  Our subject may wish to consider taking the "I1b2 [= new I2b] subgroup" test bundle at EthnoAncestry to determine his I2b subclade.
   

I2b1-Continental-2
Surname Kit # Ysearch
User ID

SNP
Tests
Haplotype — as determined by STR testing Known Lineage
Markers 1-12 Markers 13-25 Markers 26-37 Markers 38-67
3
9
3
3
9
0
19
/
3
9
4
3
9
1
a
|
3
8
5
b
|
3
8
5
4
2
6
3
8
8
4
3
9
i
|
3
8
9
3
9
2
ii
|
3
8
9
4
5
8
a
|
4
5
9
b
|
4
5
9
4
5
5
4
5
4
4
4
7
4
3
7
4
4
8
4
4
9
a
|
4
6
4
b
|
4
6
4
c
|
4
6
4
4
6
4
d
4
6
0
H4
|
G
A
T
A
IIa
|
Y
C
A
IIb
|
Y
C
A
4
5
6
6
0
7
5
7
6
5
7
0
a
|