When Jens Mogensen Munch was born about 1664, in Bodilsker, Bornholm, Denmark, his father, Mogens Jensen Munch, was 47 and his mother, Karen Pedersdatter, was 39. He married Maren Sorensdatter on 7 April 1700, in Åkirkeby, Bornholm, Denmark. They were the parents of at least 2 sons and 2 daughters. He died about 1718, in Åkirkeby, Bornholm, Denmark, at the age of 54, and was buried in Åkirkeby, Bornholm, Denmark.