 Jacob Jacobs Postma, son of Jacob Doekes and Grietje Nannes.Born 31 Aug 1744 Boazum (birth declaration: ), died 16 Jul 1805 Skarnegoutum, age 60 years Married 26 Dec 1770 Oosterlittens, age 26 years Married (religious) 26 Dec 1770 Oosterlittens (married 34 years) to:  Yfke Wynsens, age by marriage 24 or 25 years, daughter of Wynsen Pyters and Klaaske Durks.Born 1745 Beers Child: 1. Wynsen Jacobs PostmaBorn 15 Jun 1774 Jellum, Littenseradiel | |||
| 2nd marriage Jacob Jacobs Postma, son of Jacob Doekes and Grietje Nannes. Married 1 Jun 1773 Roodhuis, Littenseradiel, age 28 years Married (religious) 1 Jun 1773 Roodhuis, Littenseradiel (married 8 years) to: Antje Sjoerds, age by marriage 22 years, daughter of Sjoerd Heerckes Westra and Sietske Oeges.Born 27 Jan 1751 Tirns, died 17 May 1782 Scharnegoutum, age 31 years Children: 1. Margarite "Minke" PostmaBorn Scharnegoutum, baptised 11 Apr 1775 Roodhuis 2. Sytske Jacobs PostmaBorn 17 Apr 1777 Skarnegoutum, baptised Roodhuis, died 17 Mar 1809 Skarnegoutum, age 31 years 3. Sjoerd PostmaBorn Scharnegoutum, baptised 5 Feb 1780 Roodhuis | |||
| 3rd marriage Jacob Jacobs Postma, son of Jacob Doekes and Grietje Nannes. Married 17 Nov 1785 Scharnegoutum, Wymbritseradiel, age 41 years Married (religious) 17 Nov 1785 Scharnegoutum, Wymbritseradiel (married 19 years) to: Geertje Luutzens, age by marriage 30 years, daughter of Luutzen Tjerks and Geerje Sjoerds.Born 11 Jul 1755 Baaium, baptised 1 Jul 1807 Skarnegoutum Children: 3. Geertje Jacobs PostmaBorn 1796 Scharnegoutum, died 16 Oct 1830 Oosterend, age 33 or 34 years 4. Akke Jacobs PostmaBorn 20 Jun 1799 Scharnegoutum, died 25 Nov 1855 Franeker, age 56 years, buried Arum | |||