Wulfhryth married Æthelred I DE WESSEX King of Wessex, son of Æthelwulf DE WESSEX King of Wessex and Queen Osburh of the Isle of Wight, about 868. (Æthelred I DE WESSEX King of Wessex was born between 844 and 847 in Wessex, England and died on 22 Apr 871 in Merton, Torrington, Devon, England.)