Demas married Joanna Prudden on 25 Jan 1755 in Mendham, Morris, New Jersey, USA. Joanna was born on 4 Nov 1735 in Morris, Morris, New Jersey, United States; died on 11 Nov 1808 in Prosperity, Washington, Pennsylvania, United States. [Group Sheet] [Family Chart]

1. Sarah Lindley was born on 5 Apr 1769 in Mendham, Morris County, New Jersey, United States of America; died on 19 May 1827 in Washington County, Pennsylvania, United States of America; was buried in Amity, Washington County, Pennsylvania, United States of America.