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 Exeter * Geoffrey de Montbray (died 1093), Bishop of Coutances * Glastonbury Church, Somerset * Tavistock Church, Devon * Buckfast Church, Devon * Horton Church, Dorset * Cranborne Church, Dorset * Battle Church, Sussex * St Mary's Church, Rouen, Normandy * Mont Saint-Michel Church, Normandy * St Stephen's Church, Caen, Normandy * Holy Trinity Church, Caen * Hugh d'Avranches, 1st Earl of Chester (died 1101) * Robert, Count of Mortain (died 1090), half-brother of the king * Baldwin de Moels (died 1090), Sheriff of Devon, feudal baron of Okehampton, * Juhel de Totnes (died 1123/30), feudal baron of Totnes, Devon *