Joseph married Lucy Irene Eisenhauer on 20 Sep 1935 in Indiana, USA. Lucy (daughter of George Jacob Eisenhauer and Alice Marie Bryant) was born on 9 May 1912 in Huntington, Huntington County, Indiana, USA; died on 1 Mar 2004 in Fort Wayne, Allen County, Indiana, USA. [Group Sheet] [Family Chart]

1. Mary Alice Frantz was born on 23 May 1936 in Fort Wayne, Allen County, Indiana, USA; died on 15 Mar 2000 in Fort Wayne, Allen County, Indiana, USA.
2. Joseph Michael Frantz was born on 5 Sep 1942 in Fort Wayne, Allen County, Indiana, USA; died on 28 Mar 2012 in Fort Wayne, Allen County, Indiana, USA.
3. Patricia Frantz
4. Jane Frantz
5. John L. Frantz
6. Philip E. Frantz