(1) He is married to Maria Beek.
Permission for the marriage has been obtained in Kruiningen on May 18, 1697.Source 1
They got married on June 6, 1697 at Kruiningen.Source 1218. Otr. 18 mei Schore, Tr. 6 juni, Cornelis Michielse, jm., en Maria Beek, wed. Grasjan, beide wonende Kruiningen.
(2) He is married to Maria van der Ploegh.
Permission for the marriage has been obtained in Heinkenszand on April 28, 1700.Source 1
250. Otr. 28 april Heinkenszand, Cornelis Michiels, wr. Maria Jans, en Maria van der Ploegh, van Colijnsplaat.
Kruiningen index ref. trouwen 1671-1810 https://geneaknowhow.net/script/zee/Trouwen%20Kruiningen%201671-1810.pdf