Jakob married Karoline Emma Jaeger 24 Mar 1913, Ilsfeld, Heilbronn, Baden-Wurttemberg, Germany. Karoline (daughter of Jacob Friederich Jaeger and Elisabeth Sophie Ilshoefer) was born 1 Dec 1892, Ilsfeld, Heilbronn, Baden-Wurttemberg, Germany; was christened 11 Dec 1892, Ilsfeld, Heilbronn, Baden-Wurttemberg, Germany. [Group Sheet]