John B. Gravelin
1842 - Aft 1910 (~ 68 years)
Generation: 1
1. John B. Gravelin was born Dec 1842, NY; died Aft 15 Apr 1910. John married Mary Elizabeth Munroe Between 1 Jun 1870 and 10 Jan 1878. Mary (daughter of Jeremiah William MUNROE and Elizabeth M. Wyatt) was born Jul 1852, RI; died 13 Apr 1922. [Group Sheet]