Hawise, Duchess of Brittany
Hawise of Rennes (Breton: Hawiz Breizh; French: Havoise de Bretagne) (c. 1024-1037 – 19 August 1072) was Duchess of Brittany from 1066 until her death. Hawise was daughter and heiress of Alan III, Duke of Brittany, by his wife, Bertha of Blois, and as such, a member of the House of Rennes. She had two siblings: Conan II and Emma of Brittany. Hawise succeeded her older brother Conan, who was assassinated by poisoning on 11 December 1066. Little is known of the life of Hawise of Rennes.