He is married to Josijne Wouters.
Permission for the marriage has been obtained in Hontenisse on August 17, 1653.Source 1
datum: 17 aug 1653; naam bruidegom: Mattijs Piessens; naam bruid: Josijne Wouters; weduwe van: Adriaan de Molenaer; scan: 32; link naar scan: https://www.familysearch.org/ark:/61903/3:1:3QS7-89QG-2VGG?i=31&cc=2036997