(1) He is married to Catalijne uijt den Houw.
Permission for the marriage has been obtained in Ossenisse on January 19, 1663.Source 1
They got married on February 11, 1663 at Ossenisse.Source 1otr. 14 jan 1663; tr. 11 feb 1663; bdg. Jan de Jonge jm van kleijn Brabant woonende op Hontenesse; br. Catalijne uijt den Houw wed[uwe] van Jaques Fierens wonende op Ossenesse; opm. getuijgen Jaques de Jonge sijn broeder, Cornelis de Jonge, Lijsbeth Marijnissen, Prijntien Rogiers
datum: 19 jan 1663; naam bruidegom: Jaques de Jonge; naam bruid: Catalijntie Uijttenhove; weduwe van: Jaques Fierens; scan: 46; link naar scan: https://www.familysearch.org/ark:/61903/3:1:3QS7-89QG-2KSX?i=45&cc=2036997
(2) He is married to Catelijn Strobbers.
Permission for the marriage has been obtained in Ossenisse on August 2, 1671.Source 1
They got married on August 23, 1671 at Ossenisse.Source 1otr. 2 aug 1671; tr. 23 aug 1671; bdg. Jan de Jonge wed[uwnaar] van Catelijne Uijtenauw-Uijtdenhouw; br. Catelijn Strobbers jd van St Gillis; beijde woonaghtigh onder Ossenisse; getuijghen Jacob de Jonghe, Janneken Fierens
Ossenisse ondertrouw 1648-1682 https://www.geneaknowhow.net/script/zee/Ossenisse_ondertrouw_1648-1682.pdf