Llywelyn ap Merfyn King Powys was born to Merfyn ap Rhodri Aberffraw.
Llywelyn ap Merfyn King Powys succeeded King Powys.
Around 900 [his father] Merfyn ap Rhodri Aberffraw died.
In 942 Llywelyn ap Merfyn King Powys died.
Paternal Family Tree: Aberffraw
Kings Gwynedd: Grand Son of Rhodri ap Mervyn "The Great" King Gwynedd 820-
Kings Powys: Great x 2 Grand Son of Cadell ap Brochfael King Powys -808
Great x 2 Grandfather: Gwriad ap Elidyr Aberffraw
Great x 1 Grandfather: Merfyn "Frych aka Freckled" King Gwynedd -844
GrandFather: Rhodri ap Mervyn "The Great" King Gwynedd 820-
Great x 4 Grandfather: Elisedd ap Gwylog King Powys -755
Great x 3 Grandfather: Brochfael ap Elisedd King Powys -808
Great x 2 Grandfather: Cadell ap Brochfael King Powys -808
Great x 1 Grandmother: Nest ferch Cadell Cadelling Queen Consort Gwynedd
Father: Merfyn ap Rhodri Aberffraw