 The ancestry of Æthelberht , Eadbald 's father , is given by Bede , who states that he was descended from the legendary founder of Kent , Hengist . However , historians believe that Hengist and his brother Horsa were probably mythical figures . It is known that Æthelberht married twice as Eadbald married his step @-@ mother after his father 's death , to the consternation of the church . 
