He is married to Aafje Krijns de Wit.
They got married on February 24, 1754 at Monnickendam, he was 25 years old.Source 1
CIV Huwelijk:They were married in church on March 9, 1754 at Monnickendam, he was 25 years old.
... Sijmon Maartensz Stam, J:M: ende Aaffje Crijne de Wit J:D: Bijde wonende in de Purmer in de Jurisdictie deser Stadt ...