They had 2 sons and 5 girls.

He was one of the legatees in the will of Jeremiah Lamar dated 15 September 1806 "the sum of five dollars be paid out of my estate to each of the following brothers and sisters. Viz. To my sister Prudence Winn the sum of five dollars to Peter LAMARE, the sum of five dollars, to John LAMARE the sum of five dollars, to Thomas LAMARE the sum of five dollars, to Penington LAMARE, the sum of five dollars, to Ezekeel LAMARE the sum of five dollars and Rachel LAMARE, the sum of five dollars" On the 1850 census of District Number 68, Pike County, GeorgiaJohn Lamar was a 61 year old farmer whose farm was worth $6000. Living with him were his wife, Louisa, 55, and daughters Frances, 22, and Julia, 16. On the 1860 census of Decatur District, DeKalb County, Georgia John Lamar was a 71 year old farmer whose farm was worth $3600 and personal estate worth $6000. Living with him were his wife Louisa E., 67 and daughter Francis T., 25. On the 1870 census of Africa, Spalding County, Georgia John Lamar is an 81 year old farmer whose farm is worth $1000 and personal estate is worth $300. Living with him is his daughter Francis T. Lamar, 31.