Il est marié avec Sibbeltje Louwes.
Ils se sont mariés le 28 juillet 1753 à Nes, Dongeradeel, Friesland, Nederland .Source 2
Enfant(s):
I'm basing this connection with his daughter Doedje Jans on the fact that
1) the birth is in Nes, and there's a birth in Nes with Jan Sybes as a father at the right time
2) His daughter named one of her children Sibbeltje, and a Jan Sybes and Sibbeltje Louwes were married in Nes
More possible leads:
https://www.genealogieonline.nl/stamboom-griffioen-koster/I264421.php
Jan Sybes | |||||||||||||||||||||||||||||||||||
1753 | |||||||||||||||||||||||||||||||||||
Sibbeltje Louwes |