(1) He is married to Elisabeth Cocks.
Permission for the marriage has been obtained in Hontenisse on January 29, 1655.Source 1
datum: 29 jan 1655; naam bruidegom: Jan Serrarens; naam bruid: Elisabeth Cocks; scan: 34; link naar scan: https://www.familysearch.org/ark:/61903/3:1:3QS7-89QG-2V17?i=33&cc=2036997
(2) He is married to Magdaleena Staaler.
Permission for the marriage has been obtained in Hontenisse on February 1, 1670.Source 1
datum: 1 feb 1670; naam bruidegom: Jan Seraarens; weduwnaar van: Elisabeth Cocks; naam bruid: Magdaleena Staaler; weduwe van: Heijnrijck Walsens; scan: 10; link naar scan: https://www.familysearch.org/ark:/61903/3:1:3QS7-L9QG-2KQK?i=9&cc=2037001