Johan married Maria Barbara ACKERMANNIN on 27 Apr 1755 in Lancaster, Pennsylvania. Maria was born about 1732 in Wurttemburg, Germany; died on 12 Aug 1759 in Lancaster County, Pennsylvania. [Group Sheet] [Family Chart]
Children:
3. Matthaeus Conrad FEDERHAF was born on 22 Nov 1758 in Lancaster, Pennsylvania; died on 26 May 1840 in Adams County, Pennsylvania.
4. Maria Margaret FEDERHAFF was born on 13 Sep 1756 in Lancaster, Pennsylvania; died about 1818.