Master list (pdf) of all 602 L-numbers, their Leeuwenhoek number, and their Collected Letters number
For her first marriage they both lived on the Koornmarkt. For the second, both lived on Oude Delft.
First marriage to Pieter Willems Sloting (Slootingh) on 1635 03/04/
Second marriage to Jan Davits Watkincx, Oude Delft 1653 04/23/
Both children from the first marriage