William married Josephine Bereswill on 18 Jun 1917 in Brooklyn, Kings County, New York, USA. Josephine (daughter of Michael Bereswill and Karolina Beck) was born on 17 Apr 1894 in Brooklyn, Kings County, New York, USA; died on 13 Aug 1956. [Group Sheet] [Family Chart]

1. Carolyn Fredericks was born on 31 May 1918 in Brooklyn, Kings County, New York, USA; died in 0Apr 1980 in Flushing, Queens, Queens County, New York, USA.
2. Francis William Fredericks was born on 31 May 1918 in Brooklyn, Kings County, New York, USA; died on 15 Jan 1989.