(1) He is married to Jobjen Pieters.
Permission for the marriage has been obtained in Ossenisse on July 24, 1650.Source 1
They got married on September 18, 1650 at Ossenisse.Source 1otr. 24 jul 1650; tr. 18 sep 1650; bdg. Anthonij van Kerckhoven jm van Ham; br. Jobjen Pieters jd van Polder van Naemen; opm. beijde woonende op Ossenisse; getuigen Pieter Gentbrugge, Leentjen Gijse
(2) He is married to Marij Brughmans.
Permission for the marriage has been obtained in Ossenisse on December 3, 1661.Source 1
They got married on January 1, 1662 at Ossenisse.Source 1otr. 3 dec 1661; tr. 1 jan 1662; bdg. Anthonij van Kerckhoven van [Sint] Amand in D[end]ermonde wed[uwnaar] van Jobken Pieters; br. Marij Brughmans jd van Ossenisse; opm. getuijghen Joos van Kerckhoven, Francois Brughmans
(3) He is married to Catelijn Janssens.
Permission for the marriage has been obtained in Ossenisse on June 19, 1672.Source 1
datum: 18 jun 1672; naam bruidegom: Anthonij van Kerckhoven; weduwnaar van: Maria Brugmans; naam bruid: Cathaleijntie Jansens; scan: 17; link naar scan: https://www.familysearch.org/ark:/61903/3:1:3QS7-89QG-2K3J?i=16&cc=2036997
otr. 19 jun 1672; bdg. Anthonij van Kerckhoven wed[uwnaa]r van Marij Bruggemans woont alhier; br. Catelijn Janssens jd woont onder Hontenessche; opm. ondetrouw op Hontenisse, alhier getrouwt hora locoque debitis;
Ossenisse ondertrouw 1648-1682 https://www.geneaknowhow.net/script/zee/Ossenisse_ondertrouw_1648-1682.pdf