Just four of the seven were still living in 1900.

1.  Marriage Record:

2.  1890 Census:  the 1890 Census Population Schedules were destroyed.

3a.  1900 Census Every-Name-Index/Images (online at Ancestry.com, Image #26 of 29):  Sidney Twp., Montcalm Co., MI, Roll T623_733, p. 325B, SN 13, SD 11, ED 141, enumerated 23 Jun 1900, official enumeration date 1 Jun 1900 (extracted by Diana Gale Matthiesen):¤•

1900:  for an explanation of the column headings, please see What the Numbers in the Federal Census Mean (missing columns contained no data).
1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	22	23	24	25	26	27	28
293	302	Larsen Jens	Head	W	M	Dec 1839	60	M	37			DK	DK	DK	1885	15	Pa	Farmer	0	Y	Y	Y	O	F	F	237
		______ Annie	Wife	W	F	Jul 1837	62	M	37	7	4	DK	DK	DK	1885	15		Keeping House		Y	Y	Y

Listed next to children Jacob and Hannah, who are next to Peter & Annie PETERSEN.

3b.  1900 Census Every-Name-Index/Images (online at Ancestry.com, Image #26 of 29):  Sidney Twp., Montcalm Co., MI, Roll T623_733, p. 325B, SN 13, SD 11, ED 141, enumerated 23 Jun 1900, official enumeration date 1 Jun 1900 (extracted by Diana Gale Matthiesen):¤(•)

1900:  for an explanation of the column headings, please see What the Numbers in the Federal Census Mean (missing columns contained no data).

1

2

3

4

5

6

7

8

9

13

14

15

16

17

18

19

20

22

23

24

25

26

27

28

292

301

Larsen Jacob

Head

W

M

Aug 1866

33

S

DK

DK

DK

1885

15

Na

Farmer

0

Y

Y

Y

O

M

F

236

______ Hannah

Sister

W

F

Aug 1879

20

S

DK

DK

DK

1885

15

Houskeeper

0

Y

Y

Y

Rudahl Frederik

Nephew

W

M

Jul 1890

9

S

MI

DK

DK

Rudahl Alma

Niese

W

F

Feb 1892

8

S

MI

DK

DK

Rudahl Elvin

Nephew

W

M

Jun 1895

4

S

MI

DK

DK

Listed next to Jacob and Hannah's parents.  The RUDAHL children would have to be our subjects' grandchildren.

4.  1910 Census Every-Name-Index/Images (online at Ancestry.com, Image #25 of 36):  Sidney Twp., Montcolm Co., MI, Roll T624_666, p. 45A, SN 13A, SD 11, ED 165, enumerated 5 May 1910, official enumeration date 15 Apr 1910 (extracted by Diana Gale Matthiesen):¤•

1910:  for an explanation of the column headings, please see What the Numbers in the Federal Census Mean (missing columns contained no data).

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

23

24

26

27

28

29

233

236

Larson Jacob

Head

M

W

43

S

Den Danish

Den Danish

Den Danish

1880

Na

English

Farmer

General Farm

OA

Y

Y

O

M

F

122

______ Jens

Father

M

W

70

Wd

Den Danish

Den Danish

Den Danish

188?

Pa

Danish

own income

Y

Y

Peterson Peter

Head

M

W

58

M1

35

Den Danish

Den Danish

Den Danish

1886

Pa

English

Farmer

General Farm

OA

Y

Y

O

M

F

123

"    Anna

Wife

F

W

58

M1

35

11

8

Den Danish

Den Danish

Den Danish

Danish

None

Y

Y

"    Hans C

Son

M

W

21

S

Michigan

Den

Den

English

Laborer

S??? Machine

W

N

Y

Y

This record was blurry and difficult to read, I cannot be certain my extraction is accurate.

5.  Email from descendant.