Sinsart, Benoit, a French controversialist, was born at Sedan in 1696, and after having served as an engineer in Holland, embraced a monastic life in 1716, entering the congregation of the Benedictines at St. Vaune. He taught philosophy and theology at the abbey of Senones, passed into that of St. Gregory at Munster, and became abbot of the latter in 1745, where he died June 22, 1776. Sinsart was a well-educated, laborious man. He wrote several religious works, which are enumerated in Hoefer, Nouv. Biog. Generale, s.v.