Father: Isaac De Reimer; Mother: Elizabeth Grevenraet (who later married Samuel Drisius)

First Marriage was to:  (1,660,234)  Steenwijck, Cornelis Jacobsz. (1626-1684), merchant; born Haarlem, Holland, son of Jacob Steenwijck; arrived in New Amsterdam, 1652; made New Amsterdam Great Burgher, Apr. 18, 1657; married Margaretta De Riemer, June 5, 1658; landowner, including Fordham manor; New Amsterdam schepen, 1658; burgomaster, 1664; mayor of New York City, 1669; Dutch Reformed Church elder, 1681; died New York City, 1684 - David Voorhees, Jacob Liesler Papers

Margaretta and Cornelis had 7 children together, none of which survived to maturity. - http://www.amazon.com/Dutch-York-between-East-West/dp/0300154674/ref=sr_1_1?ie=UTF8&s=books&qid=1257653231&sr=1-1

Second Marriage was to: Henricus Selyns who died in 1701.