Pewampskine was a Wangunk sunksqua whose name appears on a 1673 confirmatory deed to Middletown Connecticut as an heir and successor to Sowheage. He was one of the proprietors of the Wangunk land in Chatham, Connecticut. Pewampskine had a daughter Sarah, the mother of the Elder Mamooson (b. 1676) and Peter Sanchuse (1693-1726). Among her descendants were her grandsons Mamooson II (b. 1706) and Long Simon and Patience Pewompskine (living 1768). Joseph Barrett, Indian Proprietors of Mattebeseck and Their Descendants (n.d.).