He is married to Maria Frans~ Jans Talboom.
Permission for the marriage has been obtained in Princenhage on July 27, 1709.Source 1
They were married in church on August 11, 1709 at Princenhage.Gijliam was eerder gehuwd (1) met Catharina Cornelis van Tilburg en Gijliam was eerder gehuwd (2) met Martijntje Rous
Uit deze 3 huwelijken heeft hij 11 kinderen.