Grytje Jelmers van SIPMA, born on 01-01-1771 in Bergum, christened (NH) on 24-02-1771 in Bergum, died on 09-03-1842 in Bergum at the age of 71, daughter of Jelmer Sipkes van SIPMA and Jeltje Pieters.
Church marriage at the age of 32 on 22-05-1803 in Bergum (NH) to Andries Egberts ZIJLSTRA, 24 years old.