0 HEAD 1 SOUR OPENARCH 2 VERS 0.4 2 NAME Open Archieven 2 CORP Coret Genealogie 3 WWW https://genealogie.coret.org/ 1 DATE 7 FEB 2026 2 TIME 9:56 1 SUBM @U0@ 1 GEDC 2 VERS 7.0 1 LANG nl 0 @U0@ SUBM 1 NAME Open Archieven 1 WWW https://www.openarchieven.nl/?lang=nl 0 @I3434572461154438@ INDI 1 NAME Gertje /Klazes Wierstra/ 2 GIVN Gertje 2 _PATR Klazes 2 SURN Wierstra 0 @I3434572461154439@ INDI 1 NAME Klaas /Sytses Wierstra/ 2 GIVN Klaas 2 _PATR Sytses 2 SURN Wierstra 1 SEX M 0 @I3434572461154440@ INDI 1 NAME Johanna /Piersma/ 2 GIVN Johanna 2 SURN Piersma 1 SEX F 0 TRLR