Grietje was married before 1657 to Hendrik Reyers (aged at most 27 years), born circa 1630, died after 1683, aged at least 53 years.
From this marriage:
1 : Cornelis Henricx, schepen van oldebroek, christened in Oldebroek on February 14, 1657.
Cornelis was married in Oldebroek on April 7, 1688, at the age of 31 to Grietjen Beertsz (aged 26 years), christened in Oldebroek on October 27, 1661, daughter of Beert Dircksen and Neeltjen Egbertz.