(1) He is married to (Not public).
They got married
(2) He is married to Anneken van Rossen.
Permission for the marriage has been obtained in Hontenisse on August 2, 1648.Source 1
datum: 2 aug 1648; naam bruidegom: Cornelis de Vliegher; weduwnaar van: Catelijne Magermans; naam bruid: Anneken van Rossen; weduwe van: Adriaen de Coster; scan: 24; link naar scan: https://www.familysearch.org/ark:/61903/3:1:3QS7-L9QG-2VBK?i=23&cc=2036997