(Records use both spellings for Barzillai/Barsillai. The death record offers yet another spelling.)

Barsillai was married to
1. Emily Cordell Botkin (1850-1878), 6 October 1870 - no issue. Daughter of William Miller Botkin and Martha Ann Hiatt
2. Abigail Ellen Henby (9 October 1850-December 1935), 5 November 1887 -no issue. Daughter of Eli (probably Elijah) Henby and Gulielma Bell.
3. Charity A Knight (19 March 1854-21 July 1883), 13 November 1880, Randolph, Indiana, USA, Indiana Marriage Collection, 1800-1941, daughter of John Wesley Knight and Sylvania Hiatt; they have 1 son, Albert Worth Clark

1850 United States Federal Census
Name: Barzillia Clark
Age: 8
Birth Year: abt 1842
Birthplace: North Carolina
Home in 1850: Northern Division, Randolph, North Carolina
Gender: Male
Family Number: 312
Household Members: Name Age
William Clark, 42
Louisa Clark, 35
Thomas Clark, 15
Jonathan Clark, 14
Joseph Clark, 12
Nancy Clark, 10
Barzillia Clark, 8
Rhoda Clark, 4
Asenath Clark, 6
Eunice Clark, 5
Edmund Clark, 1
Emily L Mendenhall, 20
Abagail Mendenhall, 2
Source Citation: Year: 1850; Census Place: Northern Division, Randolph, North Carolina; Roll: M432_641; Page: 185A; Image: 376.
Source Information: Ancestry.com. 1850 United States Federal Census [database on-line]. Provo, UT, USA: Ancestry.com Operations, Inc., 2009. Images reproduced by FamilySearch

1880 United States Federal Census about Beazilla W. Clark
Name: Beazilla W. Clark
Age: 39
Birth Year: abt 1841
Birthplace: North Carolina
Home in 1880: Perry, Wayne, Indiana
Race: White
Gender: Male
Relation to Head of House: Self (Head)
Marital Status: Widower
Father's Birthplace: North Carolina
Mother's Birthplace: North Carolina
Neighbors: View others on page
Occupation: Farmer
Household Members:
Name Age
Beazilla W. Clark 39
Charity A. Knight 18

Indiana Deaths, 1882-1920
Name: Barzina Worth Clark
Date: 26 Aug 1913
Location: Economy
Age: 72 Yr
Gender: Male
Race: White
Source Location: County Health Office, Richmond
Source notes: The source of this record is the book H-30 on page 90 within the series produced by the Indiana Works Progress Administration.
Source Information: Ancestry.com. Indiana Deaths, 1882-1920 [database on-line]. Provo, UT, USA: Ancestry.com Operations Inc, 2004.
Original data: Various Indiana county death records indexed by the Indiana Works Projects Administration. Indiana: circa 1938-1941.

married to Charity A Knight at death

see also;
Find A Grave Memorial# 8708416
(in Famous People)