According to Bede, Ealdbeorht I was Bishop of Dommoc and Headulacus Bishop of Elmham in 731, but by 746 or 747, Heardred (II) had replaced Aldberct.
Segundo Beda, Ealdbeorht foi bispo de Dommoc e Headulacus bispo de Elmham en 731, pero sobre o 746 ou 747, Heardred II tiña substituído a Aldberct.