Married to Mary Ellen Lines in July 1852 in Wabash County, Indiana.

Napoleon and Mary were the parents of:
Squire Madison Sims(1853-unk)
Floria T Sims Voorhies(1857-1902)
Naomia Sims Covault
Annie Sims(1861-unk)
Mahala Sims Wainwright
Clarinda "Clara" Sims Swan

Married to Nancy Ellen Gardner in May 1873 in Wabash County, Indiana.

Napoleon and Nancy were the parents of:
William Sims
Livonia Sims Suffecool
Granville P Sims

Married to Anne E Morrison on November 24, 1880 in Boone County, Indiana.
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1850 United States Federal Census
Name: Napoleon Sims
Age: 18
Birth Year: abt 1832
Birthplace: Indiana
Home in 1850: Liberty, Wabash, Indiana
Gender: Male
Family Number: 46
Household Members: Name Age
William Howard 30
Alvira Howard 28
Missouri A Howard 6
Josephine Howard 5
James E Howard 2
Herietta Howard 0
Napoleon Sims 18

Indiana, Marriage Collection, 1800-1941
Name: Napoleon B. Sims
Spouse Name: Mary Ellen Lines
Marriage Date: Jul 1852
Marriage County: Wabash
Performed By: M. G. T. S. Lines

1860 United States Federal Census
Name: Napoleon Lines
Age in 1860: 28
Birth Year: abt 1832
Birthplace: Indiana
Home in 1860: Liberty, Wabash, Indiana
Gender: Male
Post Office: Lagro
Household Members: Name Age
Napoleon Lines 28
Mary Lines 25
Squire Lines 7
Philurah Lines 3
Naomi Lines 2

U.S., Civil War Draft Registrations Records, 1863-1865 Name: Napoleon B Sims
Residence: Wabash, Indiana
Class: 1
Congressional District: 11th
Age on 1 July 1863: 32
Estimated Birth Year: abt 1831
Race: White
Marital Status: Married
Place of Birth: Indiana

U.S. Civil War Soldiers, 1861-1865
Name: Napoleon B. Sims
Side: Union
Regiment State/Origin: Indiana
Regiment Name: 101 Indiana Infantry
Regiment Name Expanded: 101st Regiment, Indiana Infantry
Company: K
Rank In: Private
Rank In Expanded: Private
Rank Out: Private
Rank Out Expanded: Private
Film Number: M540 roll 70

1870 United States Federal Census
Name: N B Simms
Age in 1870: 37
Birth Year: abt 1833
Birthplace: Indiana
Home in 1870: Liberty, Wabash, Indiana
Race: White
Gender: Male
Post Office: Wabash
Household Members: Name Age
N B Simms 37
Mary Simms 30
Madison Simms 18
Filora Simms 15
Naomi Simms 10
Annie Simms 8
Mahala Simms 6
Clarinda Simms 5

Indiana, Marriage Collection, 1800-1941
Name: Napoleon B. Sims
Spouse Name: Nancy E. Gardner
Marriage Date: May 1873
Marriage County: Wabash
Performed By: J. P. W. L. Russell

Indiana, Marriage Collection, 1800-1941
Name: Napoleon B Sims
Spouse Name: Anna E Morrison
Marriage Date: Nov 24 1880
Marriage County: Boone

1880 United States Federal Census
Name: Napoleon B. Sims
Age: 49
Birth Year: abt 1831
Birthplace: Missouri
Home in 1880: Liberty, Wabash, Indiana
Race: White
Gender: Male
Relation to Head of House: Self (Head)
Marital Status: Widower
Occupation: Farmer
Household Members: Name Age
Napoleon B. Sims 49
Anna Sims 20
Mahala Sims 18
Clarinda Sims 14
William Sims 6
Livonia Sims 4
Granville Sims 1