Peter married Maria Harder (53280) , daughter of Michael Harder (ca 1708-bet 14 Jan 1794 and 10 Oct 1795) & Maria Rees (36533) (1727-bef 15 Jan 1794). Born in 1756 in Claverack, Columbia County, New York. Maria was baptized in Reformed Dutch Church of Albany, on 5 Apr 1756.156 Maria, son of Michael Herder & Maria Rees, witnesses Benjamin B. Rees [Maria Rees’ brother] & Maria Herder.