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 8 JAN 2026 2 TIME 4:20 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 @I7022787042820681@ INDI 1 NAME Leonardus Jacobus /de Keyzer/ 2 GIVN Leonardus Jacobus 2 SPFX de 2 SURN Keyzer 1 RESI 2 PLAC Leiden 1 BIRT 2 PLAC Leiden 1 FAMC @F2199551311199815@ 0 @I7022787042820682@ INDI 1 NAME Cornelis /de Keyzer/ 2 GIVN Cornelis 2 SPFX de 2 SURN Keyzer 1 SEX M 1 FAMS @F2199551311199815@ 0 @I7022787042820683@ INDI 1 NAME Helene Jaquette Elisabeth /van der Sloot/ 2 GIVN Helene Jaquette Elisabeth 2 SPFX van der 2 SURN Sloot 1 SEX F 1 FAMS @F2199551311199815@ 0 @F2199551311199815@ FAM 1 HUSB @I7022787042820682@ 1 WIFE @I7022787042820683@ 1 CHIL @I7022787042820681@ 0 TRLR