Æthelred of Mercia King of Mercia (0601–0716) Parents Cynewise Penda of Mercia Children Ceolred of Mercia Ceolwald of Mercia Siblings Eadburh of Bicester Wulfhere of Mercia Cyneburh Cyneswith Peada of Mercia Wilburga of Mercia Merewalh Edith of Aylesbury Partners Osthryth