i am trying to find the connection between william m. white and henry himber. my grandfather is buried at mt. olivet cemetary in washington, d.c. along with two infants who were buried there in 1870 and 1872. my grandfather was buried there in the same grave january 2, 1898 and according to the cemetary records there are 12 unsed grave sites still there at the cemetary. they have got to belong to someone. any information would be appreciated