Family Lines: COURTENAY, DE GREY, DE MOHUN, DECOURTENAY, DEGREY, DEMOHUN, FITZPANE, GREY.
Places: Okehampton, Devon, England; Durston, Somerset, England; Dunster, Somerset, England; Somerset, England; Derby, Derbyshire, England; Codnor, Derbyshire, England; Castle Codnor, Derby, Derbyshire, England.