William Richardson Belknap was born 8 March 1849 in Louisville, Jefferson County, Kentucky to William Burke Belknap (1811-1889) and Mary Richardson (1821-1843) and died 2 June 1914 in Jefferson County, Kentucky of unspecified causes. He married Alice Trumball Silliman (1846-1890) 2 December 1874 in New Haven, New Haven County, Connecticut. He married Juliette Davison (1863-1948) .
Marriage & Family
- Eleanor Silliman Belknap (1876-1964) - an artist, genealogist, writer, socialite, and philanthropist, married prominent Kentucky newspaper editor Lewis Humphrey.
- Alice Belknap (1878-)
- Mary Belknap (1881-)
- William Burke Belknap (1885-1965) - entrepreneur, Kentucky legislator, and the owner of Land O'Goshen Farms, where he bred and raised sheep and American saddlebred horse
- Christine Belknap (1890-1919)