Nicasius de Sille was born on September 23, 1610 at Arnheim, Gelderland, Netherlands. Nicasius de Sille married
Cornelia Meulmans on October 10, 1638 at Arnheim, Gelderland, Netherlands. Nicasius de Sille married
Tryntie Cregier on May 26, 1655; they had no children. Nicasius de Sille died before 1674 at New Utrecht, Kings County, New York.
Nicasius de Sille was also known as Nicasius De Sille. Arrived here, commissioned as First Councillor to Director General Peter Stuyvesant. He remained First Councellor untl 1660. Circa 1653. Nicasius de Sille was a Commissioner of Boundaries between 1654 and 1656. Nicasius de Sille was became Schout Fiscal, and in the same year was made Captain Lieutenant. In 1656. Nicasius de Sille was commissioned City Schout of New Amsterdam in 1657. On 1657 was one of the original Proprietors in New Utrecth and built the first stone house in the town, which also had a tile roof, and was still standing until 1850, when it was destroyed.
He was Burgomeister of Arnheim. Was Advocate to the Court of Holland; Captain in the service of the States General; was afterwards first High Council, a Fiscal in New Netherlands.