(1) He is married to Catalijnte Coolwits.
They got married
(2) He is married to Margarita Labegge.
Permission for the marriage has been obtained in Ossenisse on December 31, 1661.Source 1
They got married on January 22, 1662 at Ossenisse.Source 1otr. 31 dec 1661; tr. 22 jan 1662; bdg. Pieter de Cocq van Hulst wed[uwnaar] van Catalijnte Coolwits; br. Lijsbeth Labegghe jd van Hontenisse; opm. Jan Serrarens, Catalijn Dirx
(3) He is married to Dircktien NN.
Permission for the marriage has been obtained in Ossenisse on June 14, 1670.Source 1
They got married August 1670 at Ossenisse.Source 1otr. 14 jun 1670; tr. 0 aug 1670; bdg. Pieter de Cocq wed[uwnaar] van Catelijn van den Berghe van Hontenisse geboortigh; br. Dircktien [?] jd van Nimweghen woont te Hontenisse out 32 jaren; opm. getuijgen Joos de Cocq, Cristijntie Verbeecke
Ossenisse ondertrouw 1648-1682 https://www.geneaknowhow.net/script/zee/Ossenisse_ondertrouw_1648-1682.pdf