On 27 Aug 1172 Henry the Young King (age 17) and Margaret Capet (age 15) were married at Winchester Cathedral [Map]. Margaret's dowry included the Vexin; the border between France and Normandy. On the same day they were both crowned by Rotrou Newburgh Archbishop Rouen. She the daughter of Louis VII King Franks (age 52) and Constance of Castile. He the son of King Henry "Curtmantle" II of England (age 39) and Eleanor of Aquitaine Queen Consort Franks and England (age 50). They were half fourth cousins.