 Jan Cornelis Married to:  Grietje Warners, daughter of Warner Harmens and Tjerkje Fongersdr.Baptised 16 Nov 1741 Bakhuizen Child: 1. Jantje Jans PostmaBorn 28 Jan 1765 Oudemirdum, baptised 28 Jan 1765 Bakhuizen, died 31 Oct 1857 Ruigahuizen, age 92 years | |||