Semple, William Alexander. Genealogical History of the Family Semple: From 1214 to 1888. (Hartford, Connecticut: Press of the Case, Lockwood & Brainard Co., 1888), Page 49.
Sir Robert Semple of Craiginfeoch, cousin-german of Sir James Semple of Beltrees, had a charter from his grandfather, Robert, Third Lord Semple, of the lands of Craiginfeoch, which before pertained to David, ancestor of the Semples of Craigbetts (a branch of whom settled in Spain). He left a son.