(1) He is married to Janneken Hookers.
Permission for the marriage has been obtained in Hontenisse on January 28, 1678.Source 1
datum: 28 jan 1678; naam bruidegom: Marcus van Slooten; weduwnaar van: Tanneken Jans; naam bruid: Janneken Chers; weduwe van: Machiel Jansen; scan: 3; link naar scan: https://www.familysearch.org/ark:/61903/3:1:3QS7-L9QJ-342B?i=118&cc=2036997
(2) He is married to Stoffelina Hendricks.
Permission for the marriage has been obtained in Hontenisse on December 16, 1679.Source 1
datum: 16 dec 1679; naam bruidegom: Marcus van Slooten; weduwnaar van: Janneken Ohers; naam bruid: Stoffelina Hendricks; scan: 7; link naar scan: https://www.familysearch.org/ark:/61903/3:1:3QS7-99QJ-34GF?i=122&cc=2036997