Jakob married Jane Sarah Mendenhall on 3 Nov 1836 in Guernsey County, Ohio, USA. Jane was born in 1815 in Pennsylvania, USA; died in in Ohio, USA. [Group Sheet] [Family Chart]

1. Peter Herlan was born in 1838 in Monroe County, Ohio, USA; died on 14 Jan 1931 in Woodsfield, Monroe County, Ohio, USA.
2. John W. Herlan was born in 1849 in Ohio, USA; died on 1 May 1929 in Zanesville, Muskingum County, Ohio, USA; was buried on 3 May 1929 in Eastern Cemetery, Summerfield, Noble County, Ohio, USA.
3. Lucy Ellen Herlan was born on 1 Sep 1858 in Woodsfield, Monroe County, Ohio, USA; died on 17 Apr 1950 in Canton, Stark County, Ohio, USA; was buried in Melsheimer Cemetery, East Sparta, Stark County, Ohio, USA.