Grietje Kaysers Name:Grietje Kaysers Gender:female Born:Gildehaus circa 1631 Died: Father: Mother: Marriages: Jan Harmensen Blanckenvoort (1631 - 1670), Amsterdam 1657-04-26 Marten van Sephoven (1643 - ?), Amsterdam 1677-09-03 Child: Harmanus Blankevoort (1658 - ?) References Primary sources Stadsarchief Amsterdam, Amsterdam: DTB-registers (toegangsnummer 5001), 477: 201 & 504: 216