Kent
The ruler of Kent was King Æthelberht II, who had ruled since 725 and would continue to do so until 762.
Mercia
The ruler of Mercia was King Æthelbald, who had ruled since 716 and would continue to do so until 757.
Northumbria
The ruler of Northumbria was King Eadbehrt, who had ruled since 737 and would continue to do so until 758.
Fortriu
The ruler of Fortriu was King Óengus I .
Sussex
The ruler of Sussex at this time was likely to have been King Æthelbehrt II.