1. | Jan Harms Slopsema was born between 1895 and 1896 in Groningen, GR, NLD. Jan married Johanna Harmina Smilde on 16 Oct 1916 in Groningen, GR, NLD. Johanna (daughter of Roelf Roelfs Smilde and Janna Harmina Vorenkamp) was born on 20 Feb 1895 in Groningen, GR, NLD. [Group Sheet] [Family Chart] |