William Augustus Wynkoop, b. 5 Mar 1863 in Syracuse, Onondaga County, New York, d. 4 Apr 1933 in Syracuse, Onondaga County, New York, son of Jonathan Gosman Wynkoop & Mary Judson Hawley. He married Mary MacIntyre Jaycox on September 17, 1884 in Syracuse, Onondaga County, New York.
William Wynkoop, b. 1 Jul 1835 in Northampton, Bucks County, Pennsylvania, d. 12 Oct 1910 in Newtown, Bucks County, Pennsylvania, son of Thomas Langstroth Wynkoop & Elizabeth McNair Torbert. He married Rachel Ann Blaker on June 1, 1859 in Bucks County, Pennsylvania.