 Locrin had been forced into a "diplomatic" marriage to Gwendolen, the daughter of King Corineus of Cornwall, but upon the death of Corineus, Locrin divorced her and made Estrildis his queen—thereby legitimizing Habren.Locrin's scorned first wife, the mother of his heir Maddan, raised a Cornish army against him, defeated him in battle, and had his widow and daughter drowned in the River Severn