TITL Britain's Royal Families: The Complete Genealogy AUTH Alison Weir PUBL rev. ed, Pimlico Random House, London 1989, 1996 --- J.H. Garner MEDI Book PAG E p 67 TEXT Peter Mauclerk, Count of Brittany, no parents _FA1 PLAC Acceded: 1213. _FA2 PLAC Regent 1221-1237.