Richard Garnons Williams was born on 15 June 1856 in Llowes, Radnorshire, the second child of the Reverend Garnons Williams of Abercamlais, Powys, and his wife Catherine Frances, the daughter of Fenton Hort, of Leopardstown, Dublin, and sister of Fenton John Anthony Hort [REF].
Richard Garnons Williams married Alice Jessie Bircham on 8 January 1885.