Cornelis Jans, christened in Eernewoude on May 7, 1713, son of Jan Cornelis (bargeman and merchant) and Hinke Ypes.

Cornelis was married in Eernewoude on September 7, 1738 in church, at the age of 25 to
Antje Minnes (aged approximately 25 years), born in Oppenhuizen circa 1713.