 Johannes Laurens Posthumus, son of Laurens Laurens Posthumus and Trijntje Pieters Jorna.Born 1 Apr 1837 Tjerkwerd, died 26 Nov 1917 Zweins, age 80 years, buried Wijtgaard Married to:  Jetsche Harmen Ahrens, daughter of Hermann Ahrens and Antje Hyltjes Kortrijk.Born 12 Dec 1844 Menaldum, died 5 Nov 1932 Zweins, age 87 years, buried Dronrijp Child: 1. Anna PosthumusBorn 22 Apr 1874 Zweins, died 10 Jul 1911 Kingmatille, age 37 years, buried Wijtgaard | |||