The Domesday Book of 1086 lists in the following order the tenants-in-chief in Devonshire of King William the Conqueror:
Osbern FitzOsbern (died 1103), Bishop of ExeterGeoffrey de Montbray (died 1093), Bishop of CoutancesGlastonbury Church, SomersetTavistock Church, DevonBuckfast Church, DevonHorton Church, DorsetCranborne Church, DorsetBattle Church, SussexSt Mary's Church, Rouen, NormandyMont Saint-Michel Church, NormandySt Stephen's Church, Caen, NormandyHoly Trinity Church, CaenHugh d'Avranches, 1st Earl of Chester (died 1101)Robert, Count of Mortain (died 1090), half-brother of the kingBaldwin de Moels (died 1090), Sheriff of Devon, feudal baron of Okehampton,Juhel de Totnes (died 1123/30), feudal baron of Totnes, DevonWilliam de Mohun (died post 1090), feudal baron of Dunster, SomersetWilliam Cheever, (Latinised to Capra, "she-goat"), feudal baron of Bradninch, Devon. He was brother of Ralph de Pomeroy (see below), feudal baron of Berry Pomeroy DevonWilliam de Falaise, feudal baron of Stogursey, SomersetWilliam de Poilley, whose lands later formed part of the Feudal barony of PlymptonWilliam II, Count of Eu (died 1097)Walter of Douai (died c. 1107), Feudal baron of Bampton, DevonWalter de Claville; his lands later formed part of the Feudal barony of GloucesterGotshelm, brother of Walter de Claville; his lands later formed part of the Feudal barony of GloucesterRichard fitz Gilbert (died c. 1090), elder brother of Baldwin de Moels, Sheriff of Devon, feudal baron of Okehampton,Roger de Busli (died c. 1099)Robert of Aumale (Latinised to de Albemarle); his lands later formed part of the Feudal barony of PlymptonRobert Bastard, whose lands later formed part of the Feudal barony of PlymptonRichard Fitz Turold (died post 1103-6) (alias fitzThorold, fitzTurolf), whose lands later formed part of the Feudal barony of Cardinham, CornwallRalph de Limesy, most of his Devon manors passed to the Feudal barony of BradninchRalph PagnellRalph de FeugeresRalph de Pomeroy, feudal baron of Berry PomeroyRoald Dubbed, whose lands later formed part of the Feudal barony of PlymptonTheobald FitzBerner, whose lands later formed part of the Feudal barony of Great Torrington. He was the father-in-law of Odo FitzGamelinTurstin FitzRolf, Feudal baron of North Cadbury, SomersetAlfred of SpainAlfred the BretonAnsgerAiulfOdo FitzGamelin, son-in-law of Theobald FitzBerner. His lands later formed part of the Feudal barony of Great Torrington.Osbern of SaceyThe wife of Hervey of HelleanGerald the ChaplainGerardGodboldNicholasFulchere ("Fulchere the Bowman"), most of his lands later became part of the feudal barony of PlymptonHaimericKing's ServantsKing's Thanes
