(1) He is married to Catalijn Vereecken.
Permission for the marriage has been obtained in Hontenisse on November 8, 1681.Source 1
datum: 8 nov 1681; naam bruidegom: Lieven de Roeck; naam bruid: Catalijn Vereeckens; weduwe van: Dirck van Acker; scan: 11; link naar scan: https://www.familysearch.org/ark:/61903/3:1:3QS7-99QJ-34K6?i=126&cc=2036997
(2) He is married to Adriaantien de Buil.
Permission for the marriage has been obtained in Hontenisse on December 24, 1689.Source 1
datum: 24 dec 1689; naam bruidegom: Lieven de Roeck; weduwnaar van: Catharina Vereecken; naam bruid: Adriaantien de Buil; scan: 26; link naar scan: https://www.familysearch.org/ark:/61903/3:1:3QSQ-G9QJ-3419?i=25&cc=2036997