He is married to Josina van Landegem.
Permission for the marriage has been obtained in Hontenisse on October 19, 1692.Source 1
datum: 19 okt 1692; naam bruidegom: Joost Allebaart; naam bruid: Josina van Landegem; weduwe van: Gillis Rotier; scan: 31; link naar scan: https://www.familysearch.org/ark:/61903/3:1:3QS7-99QJ-34GH?i=30&cc=2036997