↑ This date may be too late as his wife is thought to have been born in about 1590. 1600 is probably closer to the correct date.
↑ Willem died between 22 June 1670 when he wrote a joint will with his wife and 20 August 1675 when he does not appear on the tax rolls, per Harry Macy, "Some New Light on Aeltje Branconie and Maria Badie", NYGBR 142:31.