Helligkorsgade, Kølding, DK (built 1589; photo from WikimediaCommons by User:Mahlum, 2006)
Danish Demes
a Regional DNA Project for Danish Americans and Danes around the World
Borches gård, Kolding, DK (built 1595; photo from WikimediaCommons by User:Mahlum, 2006)
 
Lineages and Results of mtDNA Testing for Haplogroup K
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and Their Frequency (n tested at FTDNA + n tested elsewhere)		 mtDNA
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H (20 + 3) J (2) K (7) T (7) U (13) V (4)
Haplogroup K is a relatively old group, derived from Haplogroup R.  Living individuals are widespread in Eurasia, the Near East, and northern Africa.  About 6% of Europeans are Haplogroup K; of these, about 60% are subclade K1a.

In the trivia department:  The oldest known Haplogroup K individual is Ötzi, the iceman whose frozen body was found in the Alps in 1991.  Katie Couric is also K.
Mutations are reordered (not in strict numerical order) for ease of comparison.  Those common to Haplogroup K are shown here and below in tables cells with a yellow highlight:
HVR1 HVR2
224C, 311C, 519C 73G, 263G, 315.1C
Your project admin  recommends joining William Hurst's mtDNA Haplogroup K project, which can be done directly using the "Join Projects" button on your FTDNA member page (after clicking the icon, scroll down to the "mt Haplogroups" listing and choose "K1").
So far, we have seven Danish Demes project members who are some form of Haplogroup K:
Subclade Deme Earliest Known Matrilineal Ancestor _n_
K 1 Dorhe Marie NIELSEN — of Brøndby, Brøndby Sogn, Smørum Herred, København Amt, DK 1
2 Kierstine Thomasdatter (c1773-1837) —  of Lading Sogn, Sabro Herred, Århus Amt, DK 1
K1a11 3 Maren Jacobsdatter — of Grarup, Grarup Sogn, Haderslev Herred, Haderslev Amt, DK 1
K1c / K1c1 4 Maren Anderson (c1780- ) — of Aaby, Åby Sogn, Kær Herred, Aalborg Amt, DK 1
K1c1b 5 Maren Jørgensdatter (1794-1854) — of Grandløse, Grandløse Sogn, Merløse Herred, Holbæk Amt, DK 2
Karen Pedersdatter (1784-1824) — of Hjørring Amt, DK
K1c2 6 Maren Christensdatter (c1736- ) — of Ålborg, Ålborg Sogn, Fleskum Herred, Aalborg Amt, DK 1
Haplogroup K
Deme 1
Kit # MitoSearch
UserID		 Differences from the CRS FGS Known Lineage
HVR1 HVR2
N65494   224C, 311C, 519C 93C       Pvt… Dorhe Marie NIELSEN — of Brøndby, Brøndby Sogn, Smørum Herred, København Amt, DK
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Deme 2
Kit # MitoSearch
UserID		 Differences from the Cambridge Reference Sequence FGS Known Lineage
HVR1 HVR2
128908   224C, 311C, 519C 73G, 263G, 315.1C 497T   Pvt… [awaiting lineage] Kierstine Thomasdatter1 (c1773-1837) of Lading Sogn, Sabro Herred, Århus Amt, DK
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Haplogroup K1a11
Deme 3
Kit # MitoSearch
UserID		 Differences from the Cambridge Reference Sequence FGS Known Lineage
HVR1 HVR2
N29408   224C, 311C, 519C 92C, 129A 73G, 263G, 315.1C 16T, 150T, 199C, 309.1C, 309.2C, 497T Yes Pvt8, Pvt7, Botilda Marie6 POULSEN, Botille Marie4 LUND, Catherin4 RAVN, Bodil Maria Nielsdatter3, Catherin Pedersdatter2 HOY, Maren Jacobsdatter1 — of Grarup, Grarup Sogn, Haderslev Herred, Haderslev Amt, DK
She has just one HVR1 match, no HVR1+HVR2 match, and no FGS match.
Haplogroup K1c or K1c1
Deme 4
Kit # MitoSearch
UserID		 Differences from the Cambridge Reference Sequence FGS Known Lineage
HVR1 HVR2
77022 K4EKU 224C, 311C, 519C 73G, 263G, 315.1C 146C, 152C, 309.1C, 498   Pvt8, Pvt7, Della B. LUNDBERG6, Cora Louise HARDCASTLE5, Emma HARDCASTLE4, Stine Petrine Frances Marie Larsen DOMGAARD3, Mette Kristine Christensen2, Maren Anderson1 — of Aaby, Åby Sogn, Kær Herred, Aalborg Amt, DK
This individual has over a thousand matches in HVR1, but less than a dozen in her combined HVR1+HVR2 results; none (yet) in this project.  William Hurst informs me that the 498 deletion defines K1c, but that coding-region mutations define K1c1, so you can't tell the two subclades apart by testing only the hypervariable regions.
Haplogroup K1c1b
Deme 5
Kit # MitoSearch
UserID		 Differences from the Cambridge Reference Sequence FGS Known Lineage
HVR1 HVR2
169099   224C, 311C, 519C 73G, 263G, 315.1C 146C, 152C, 498 Yes Pvt6, Pvt5, Florence Christine4 NEILSON, Caroline Louise3 CHRISTENSEN, Ane Christena2 HEJLESEN, Karen Pedersdatter1 (1784-1824) — of Hjørring Amt, DK
N67650   Yes Pvt7, Pvt6, Mabel5 SORENSEN, Else Kjerstine4 MADSEN, Maren Ane Poulsdatter3, Karne Andersdatter2, Maren Jørgensdatter1 (1794-1854) — of Grandløse, Grandløse Sogn, Merløse Herred, Holbæk Amt, DK
Our subjects have over 2400 matches in HVR1, but just over 100 when combined with HVR2.  Their Full Genetic Sequences do not match.
Haplogroup K1c2 - 16362C
Deme 6
Kit # MitoSearch
UserID		 Differences from the Cambridge Reference Sequence FGS Known Lineage
HVR1 HVR2
76755 C5QQ7 224C, 311C, 519C 320T, 362C 73G, 263G, 315.1C 146C, 152C, 309.1C, 498   Pvt7, Pvt6, Hulda Helene Christina SIMONSEN5, Ane Dorthea Petersdatter4, Elisabeth Johansdatter3, Christiane Pedersdatter2, Maren Christensdatter1 — of Ålborg, Ålborg Sogn, Fleskum Herred, Aalborg Amt, DK
This individual has four HVR1+HVR2 matches in the FTDNA database, along with one FGS match.  He has two full matches at MitoSearch, one with someone whose earliest known matrilineal ancestor was from southernmost Sweden (Glimåkra, Kristianstads län, now Skåne), an area historically part of Denmark, the other with an individual with an earliest known origin in Malmöhus, Sweden.  His mutations match a variant of K1c2 defined by William Hurst (as of 22 June 2010).

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Memorial stone for King Erik I (c1060-1103), a.k.a., 'Erik the Good' or Erik Ejegod; Borgvold, Viborg Amt, DK (photo from WikimediaCommons by User:Calvin, 2007).
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 Viking burial ground (700-1150 CE), Lindholm Høje, Aalborg Amt, DK (photo from WikimediaCommons by User:Bunnyfrosch, 2007).

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

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