Zijn weduwe Aef verkocht op 10-11-1443 aan haar zwager Mr. Symon Vrederic, 3 stukken land te Lisse. Avencampgen, Buttermanscampe en Horenbregge alsmede 6 akkers aldaar en een rente van 10 sch. op een huis in Leiden..
When copying data from this family tree, please include a reference to the origin: Marjo van Leeuwen, "Family tree Van Leeuwen-Van der Speck en vele anderen", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-van-leeuwen-van-der-speck/R7327.php : accessed May 7, 2025), "Floris van der Specke (????-1443)".
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