Jetske Douwes Piersma - Pedigree | FamilyCentral
 16 Aug 1806 -
  - 7 May 1824
 6 Sep 1780 - 5 May 1861
Family Group
 Abt 1669 -
 Abt 1665 -
 Abt 1667 -
Pyter Cornelis Walma
 md. 29 Apr 1828