[1] For a long time he was a judge of Ulster County and "enjoyed the esteem and confidence of the community; was a man of sound judgment, sterling integrity, and unwavering in his principles.
In April 1796, he was again elected to the Assembly, this time as a Democratic-Republican, and served in the 20th New York State Legislature from July 1, 1796, to June 30, 1797, when he was replaced by his brother Jacobus.
His seat was one of the 7 representing the Middle District which then consisted of Dutchess, Orange, Ulster, Columbia, Delaware, Rockland, Greene and Sullivan counties.
Margaret's brother Gerrit was the father of Charles G. DeWitt, a U.S. Representative who was appointed the U.S. Chargé d'Affaires to Guatemala by Andrew Jackson.
Her sister Maria "Polly" DeWitt, was the wife of Jacobus "James" Hasbrouck, a prominent Kingston merchant.