Joe married Ethel Maria Friederika Bergen. Ethel (daughter of Jacob Ernest Bergen and Bertha T. Gutknecht) was born 7 Jul 1891; died 25 Apr 1970. [Group Sheet]

1. Ardarth Marie Hart was born 3 May 1912; died 31 Jan 1968.
2. Virginia Hart was born 19 Dec 1914; died 9 Sep 1957.