Source Information

Ancestry.com. The Conference or Billopp House : Staten Island, New York [database on-line]. Provo, UT: Ancestry.com Operations Inc, 2005.
Original data: Davis, William T.. The Conference or Billopp House : Staten Island, New York. Staten Island N.Y.: Published under the auspices of the Staten Island Historical Society by W.T. Davis, 1926.