Friedrich married Friedericka Feikert. Friedericka was born , Meisenheim, Germany. [Group Sheet]

1. Frederick Kempff was born 1 May 1809, Hessen-Homburg, Germany; died 12 Jan 1883, Belleville City, St Clair, Illinois, United States; was buried , Belleville, St. Clair County, Illinois, USA.
2. William Kempff was born 25 Dec 1811, Germany; died 7 Apr 1895, Belleville, St. Clair County, Illinois, USA; was buried , Belleville, St. Clair County, Illinois, USA.