Edwin ap Hywel King Deheubarth was born to Hywel "Dda aka Good" King Seisyllwg King Deheubarth.
In 950 Edwin ap Hywel King Deheubarth succeeded King Deheubarth.
In 954 [his brother] Rhodri ap Hywel King Deheubarth -954 and Edwin ap Hywel King Deheubarth defeated the sons of Idwal at the Battle of Llanwrst at Llanrwst, Clywd.
Paternal Family Tree: Aberffraw
Kings Gwynedd: Great Grand Son of Rhodri ap Mervyn "The Great" King Gwynedd 820-
Kings Seisyllwg: Son of Hywel "Dda aka Good" King Seisyllwg King Deheubarth
Kings Powys: Great x 3 Grand Son of Cadell ap Brochfael King Powys -808
Great x 3 Grandfather: Gwriad ap Elidyr Aberffraw
Great x 2 Grandfather: Merfyn "Frych aka Freckled" King Gwynedd -844
Great x 1 Grandfather: Rhodri ap Mervyn "The Great" King Gwynedd 820-
Great x 4 Grandfather: Brochfael ap Elisedd King Powys -808
Great x 3 Grandfather: Cadell ap Brochfael King Powys -808
Great x 2 Grandmother: Nest ferch Cadell Cadelling Queen Consort Gwynedd
GrandFather: Cadell ap Rhodri King Seisyllwg 854-909