He is married to Adriaantie Cortvriendt.
Permission for the marriage has been obtained in Hontenisse on June 11, 1695.Source 1
datum: 11 jun 1695; naam bruidegom: Pieter de Bock; naam bruid: Adriaantie Cortvriendt; weduwe van: Gillis Vertente; scan: 38; link naar scan: https://www.familysearch.org/ark:/61903/3:1:3QS7-L9QJ-34HQ?i=37&cc=2036997