(1) He is married to Willemina Stoffels.
They got married
(2) He is married to Anna Kornelia Kerstens.
Permission for the marriage has been obtained in Hontenisse on July 6, 1726.Source 1
datum: 6 jul 1726; naam bruidegom: Jakobus de Munck; weduwnaar van: Willemina Stoffels; naam bruid: Anna Kornelia Kerstens; scan: 123; link naar scan: https://www.familysearch.org/ark:/61903/3:1:3QS7-99QJ-3HBQ?i=122&cc=2036997
(3) He is married to Elisabeth Weksteen.
Permission for the marriage has been obtained in Hontenisse on March 21, 1732.Source 1
datum: 21 maa 1732; naam bruidegom: Jakobus de Munk; weduwnaar van: Anna Kornelis Kerstens; naam bruid: Elizabeth Weksteen; weduwe van: Gillis Hendrikse van den Berg; scan: 141; link naar scan: https://www.familysearch.org/ark:/61903/3:1:3QS7-99QJ-3H5P?i=140&cc=2036997