Methjen Beertsz, daughter of Beert Eimbertsen (landbouwer) and Grietien Jansen.

Methjen was married in Oldebroek on March 4, 1699 to her half-cousin
Jan Francksz Wolffsen Oostert (aged 31 years), christened in Oldebroek on July 21, 1667, died circa November 1, 1746, aged 79 years, son of Franck Jansen Oostert and Annichjen Wolffs.

• 1 : Franck Janzen Wolfsen, born in Oldebroek, christened there on January 30, 1707, died before 1782, aged at most 75 years.
  Franck was married in Oldebroek on March 9, 1738, at the age of 31 to Neeltjen Egberts (aged 26 years), born in Oldebroek, christened there on April 26, 1711, died before 1782, aged at most 71 years, daughter of Egbert Beertsz and Lubbertjen Aartsz.