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 17 JAN 2026 2 TIME 19:20 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 @I7487410302462971@ INDI 1 NAME Frederik /van der Erf/ 2 GIVN Frederik 2 SPFX van der 2 SURN Erf 1 SEX M 1 OCCU slagersknecht 1 BIRT 2 DATE 20 DEC 1795 2 PLAC Leiden 1 FAMS @F4527653499771053@ 1 FAMC @F4527653499771054@ 0 @I7487410302462972@ INDI 1 NAME Pieter /van der Erf/ 2 GIVN Pieter 2 SPFX van der 2 SURN Erf 1 SEX M 1 FAMS @F4527653499771054@ 0 @I7487410302462973@ INDI 1 NAME Susanna /van der Waart/ 2 GIVN Susanna 2 SPFX van der 2 SURN Waart 1 SEX F 1 FAMS @F4527653499771054@ 0 @I7487410302462974@ INDI 1 NAME Marytje /Koetzee (Cossee)/ 2 GIVN Marytje 2 SURN Koetzee (Cossee) 1 SEX F 1 BIRT 2 DATE 30 JUN 1793 2 PLAC Leiden 1 FAMS @F4527653499771053@ 1 FAMC @F4527653499771055@ 0 @I7487410302462975@ INDI 1 NAME Jan /Koetzee (Kosse)/ 2 GIVN Jan 2 SURN Koetzee (Kosse) 1 SEX M 1 FAMS @F4527653499771055@ 0 @I7487410302462976@ INDI 1 NAME Aaltje /Essers/ 2 GIVN Aaltje 2 SURN Essers 1 SEX F 1 FAMS @F4527653499771055@ 0 @F4527653499771053@ FAM 1 HUSB @I7487410302462971@ 1 WIFE @I7487410302462974@ 0 @F4527653499771054@ FAM 1 HUSB @I7487410302462972@ 1 WIFE @I7487410302462973@ 1 CHIL @I7487410302462971@ 0 @F4527653499771055@ FAM 1 HUSB @I7487410302462975@ 1 WIFE @I7487410302462976@ 1 CHIL @I7487410302462974@ 0 TRLR