Tréguier, opened England’s first Parliament, a brother of Alan Rufus and ancestor of the dukes of Brittany from Conan IV onward Ribald of Middleham, ancestor of the House of Neville, a half-brother of Alan Rufus Bardolph of Ravensworth, ancestor of Baron FitzHugh, a half-brother of Alan Rufus William of Bowes, ancestor of the Bowes-Lyon family, a cousin of Alan Rufus Alan III, Duke of Brittany, a childhood guardian of William the Conqueror and eldest brother of Odo of Penthièvre Conan II, Duke of Brittany, son of Alan III, powerful rival to both Odo of Penthièvre and William the Conqueror, overran northern Anjou immediately before his death (allegedly by poisoning) Hoël II, Duke of Brittany, technically Duke Consort and then Regent for his son Alan IV; also known as Hoël V, Count of Cornouaille Alan IV, Duke of Brittany, a son-in-law of William the Conqueror, a crusader, an important ally of Henry I of England, and a grandson of Alan III; frequently mistaken by writers for his close relative Alan Rufus Arthur I, Duke of Brittany, his suspected murder by his uncle King John of England accelerated the destruction of the Angevin Empire Arthur II, Duke of Brittany, gave peasants seats in the Breton parliament Arthur III, Duke of Brittany, Constable of France and architect of French victory in the Hundred Years' War, younger step-brother of Henry V of England, and brother-in-law of Jacquetta of Luxembourg; a possible inspiration for Thomas Malory’s ‘Le Morte d'Arthur’ Ralph the Staller, an Anglo-Breton from Norfolk who served English kings from Cnut the Great to William the Conqueror, while also being lord of Gaël and Montfort in Brittany Robert fitz Wymarc, a Staller for Edward the Confessor and present at Edward’s death bed; related to King Edward, William the Conqueror and Odo of Penthièvre; advised William the Conqueror to return to Normandy as his force was no match for Harold Godwinson’s army Alfred of Lincoln, a Domesday tenant-in-chief; probably married a daughter of William Malet Cardinal de Rohan, accidentally precipitated the French Revolution Scientists René Laennec, physician inventor of the stethoscope Writers René Cardaliaguet, priest and writer J. M. G. Le Clézio, winner of the 2008 Nobel Prize in Literature François-René de Chateaubriand, romantic writer and politician Tristan Corbière, symbolist poet Ernest Renan, philosopher and writer Muriel the Poetess, nun at Wilton Abbey who composed verse and corresponded with notable contemporary poets Peter Abelard, scholastic