*Ealhmund Under-King of Kent
born 0758
died 0788

father:
*Eafa of Wessex
born 0732 Wessex, England
died 0790 Mercia, England

mother:
*daughter of Eadbert King of Kent
born 0736

siblings:
unknown

spouse:
*daughter of Æthelbert II King of Kent
born 0762

children:
*Egbert King of England
born 0775 Wessex, England
died 19 Nov 0839 Wessex, England

biographical and/or anecdotal:

notes or source:
ancestry.com
It appears from this he married his 1st cousin.