Paternal Family Tree: Mathrathal
Bleddyn ap Cynfyn King Gwynedd King Powys was born to Cynfyn ap Gwersytan Mathrafal and Angharad ferch Maredudd.
Bleddyn ap Cynfyn King Gwynedd King Powys and Haer ferch Cillyn Queen Consort Gwynedd were married. She by marriage Queen Gwynedd, Queen Consort Powys.
In 1047 [his son] Maredudd ap Bleddyn King Powys was born to Bleddyn ap Cynfyn King Gwynedd King Powys.
Around 1057 [his half-brother] Gruffydd ap Llywelyn King Wales and [his sister-in-law] Ealdgyth Mercia [aged 33] were married. She the daughter of Ælfgar Earl of Mercia and East Anglia. He the son of Llywelyn ap Seisyll King Gwynedd King Powys King Deheubarth and [his mother] Angharad ferch Maredudd.
Around 1057 [his half-brother] Gruffydd ap Llywelyn King Wales was appointed King Wales.
In 1063 Bleddyn ap Cynfyn King Gwynedd King Powys succeeded King Gwynedd.
On 5th August 1063 [his half-brother] Gruffydd ap Llywelyn King Wales was killed. The Ulster Chronicle states that he was killed by Cynan ab Iago King Gwynedd in 1064, whose father Iago had been put to death by Gruffydd in 1039.
In 1069 Bleddyn ap Cynfyn King Gwynedd King Powys succeeded King Powys.
In 1069 at the Battle of Mechain fought in Radnorshire, Powys the brothers [his nephew] Maredudd Cadelling and Idwal Cadelling attempted to regain control of Radnorshire, Powys from brothers Bleddyn ap Cynfyn King Gwynedd King Powys and Rhiwallon ap Cynfyn Mathrafal. Rhiwallon ap Cynfyn Mathrafal and Idwal Cadelling were killed. Maredudd Cadelling died of exposure following the battle.
In 1073 Bleddyn ap Cynfyn King Gwynedd King Powys was killed by his cousin. His son Maredudd [aged 26] succeeded King Powys.
Kings Gwynedd: Grand Son of Maredudd ab Owain King Deheubarth King Powys King Gwynedd
Kings Seisyllwg: Great x 2 Grand Son of Hywel "Dda aka Good" King Seisyllwg King Deheubarth
Kings Powys: Grand Son of Maredudd ab Owain King Deheubarth King Powys King Gwynedd
Grandfather: Gwerystan ap Gwaithfoed Mathrafal
father: Cynfyn ap Gwersytan Mathrafal
Grandmother: Nest ferch Cadell ap Brochfael King Powys
Bleddyn ap Cynfyn King Gwynedd King Powys Grandson of Maredudd ab Owain King Deheubarth King Powys King Gwynedd
Great x 4 Grandfather: Rhodri ap Mervyn "The Great" King Gwynedd son of Merfyn "Frych aka Freckled" King Gwynedd
Great x 3 Grandfather: Cadell ap Rhodri King Seisyllwg -2 x Great Grandson of Cadell ap Rhodri King Seisyllwg
Great x 4 Grandmother: Angharad Seisyllwg Queen Consort Gwynedd
Great x 2 Grandfather: Hywel "Dda aka Good" King Seisyllwg King Deheubarth son of Cadell ap Rhodri King Seisyllwg
Great x 1 Grandfather: Owain King Deheubarth son of Hywel "Dda aka Good" King Seisyllwg King Deheubarth
Grandfather: Maredudd ab Owain King Deheubarth King Powys King Gwynedd Grandson of Hywel "Dda aka Good" King Seisyllwg King Deheubarth
mother: Angharad ferch Maredudd daughter of Maredudd ab Owain King Deheubarth King Powys King Gwynedd