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 JUN 2026 2 TIME 7:37 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/ 0 @I8673272701778961@ INDI 1 NAME Theresia Margaretha [Trees] /van der Horst/ 2 GIVN Theresia Margaretha [Trees] 2 SPFX van der 2 SURN Horst 1 BIRT 2 DATE 20 AUG 1913 2 PLAC Leeuwarden 1 DEAT 2 DATE 7 MAR 2007 2 PLAC Leeuwarden 2 SOUR @S@ 3 NOTE 3 NOTE https://www.openarchieven.nl/rkf:c8c141a9-fb55-4c97-2fc7-d811f8c4e900 1 FAMC @F1413052305595745@ 0 @I8673272701778962@ INDI 1 NAME /Pieter van der Horst/ 2 GIVN 2 SURN Pieter van der Horst 1 SEX M 1 FAMS @F1413052305595745@ 0 @I8673272701778963@ INDI 1 NAME /Aleida Maria Backers/ 2 GIVN 2 SURN Aleida Maria Backers 1 SEX F 1 FAMS @F1413052305595745@ 0 @F1413052305595745@ FAM 1 HUSB @I8673272701778962@ 1 WIFE @I8673272701778963@ 1 CHIL @I8673272701778961@ 0 TRLR