Before 1130 [his father] Owain "Great" King Gwynedd 1100-1170 (age 30) and [his step-mother] (age 14) were married. She by marriage Queen Consort Gwynedd. He the son of King Gruffudd ap Cynan of Gwynedd (age 74) and Angharad Queen Consort Gwynedd 1065-1162 (age 64).
In 1137 [his grandfather] King Gruffudd ap Cynan of Gwynedd (age 82) died. His son [his father] Owain "Great" King Gwynedd 1100-1170 (age 37) succeeded King Gwynedd.
Around 1145 [his father] Owain "Great" King Gwynedd 1100-1170 (age 45) and [his mother] Cristin ferch Goronwy Unknown Queen Consort Gwynedd 1105-1175 (age 40) were married. She by marriage Queen Consort Gwynedd. He the son of King Gruffudd ap Cynan of Gwynedd and Angharad Queen Consort Gwynedd 1065-1162 (age 80). They were half first cousins.
Around 1145 Dafydd ab Owain Aberffraw Prince Gwynedd was born to Owain "Great" King Gwynedd 1100-1170 (age 45) and Cristin ferch Goronwy Unknown Queen Consort Gwynedd 1105-1175 (age 40) at . Coefficient of inbreeding 3.22%.
In 1170 Dafydd ab Owain Aberffraw Prince Gwynedd (age 25) was appointed Prince Gwynedd.
On 28 Nov 1170 [his father] Owain "Great" King Gwynedd 1100-1170 (age 70) died. His son [his illegitimate half-brother] Hywel ab Owain King Gwynedd 1120-1170 succeeded King Gwynedd.
In 1174 Dafydd ab Owain Aberffraw Prince Gwynedd (age 29) and Emma Plantagenet were married. She the daughter of Geoffrey Plantagenet Duke Normandy and Mistress Unknown. He the son of Owain "Great" King Gwynedd 1100-1170 and Cristin ferch Goronwy Unknown Queen Consort Gwynedd 1105-1175 (age 69).
In 1175 [his mother] Cristin ferch Goronwy Unknown Queen Consort Gwynedd 1105-1175 (age 70) died.
In May 1203 Dafydd ab Owain Aberffraw Prince Gwynedd (age 58) died.
[his daughter] Gwenhwyfar Aberffraw was born to Dafydd ab Owain Aberffraw Prince Gwynedd and Emma Plantagenet.
[his son] Einion Aberffraw was born to Dafydd ab Owain Aberffraw Prince Gwynedd and Emma Plantagenet.
[his son] Angharad Owain Aberffraw was born to Dafydd ab Owain Aberffraw Prince Gwynedd and Emma Plantagenet.
[his daughter] Gwenllian Aberffraw was born to Dafydd ab Owain Aberffraw Prince Gwynedd and Emma Plantagenet.
Paternal Family Tree: Aberffraw
Kings Gwynedd: Son of Owain "Great" King Gwynedd 1100-1170
Kings Seisyllwg: Great x 6 Grand Son of Hywel "Dda aka Good" King Seisyllwg King Deheubarth
Kings Powys: Great x 9 Grand Son of Cadell ap Brochfael King Powys -808
Great x 4 Grandfather: Meurig ap Idwal Aberffraw
Great x 3 Grandfather: Idwal ap Meurig Aberffraw
Great x 2 Grandfather: Iago ab Idwal ap Meurig Aberffraw Prince Gwynedd 1005-1039
Great x 1 Grandfather: Cynan ab Iago King Gwynedd 1035-1063
GrandFather: King Gruffudd ap Cynan of Gwynedd
Father: Owain "Great" King Gwynedd 1100-1170
Great x 4 Grandfather: Einion Dinefwr
Great x 3 Grandfather: Gronwy Ap Einion Dinefwr
Great x 2 Grandfather: Edwin of Tegeingl
Great x 4 Grandfather: Edwin Earl of Mercia
Great x 3 Grandmother: Ethelfleda or Aldgyth of Mercia
Great x 1 Grandfather: Owain ab Edwin
Great x 4 Grandfather: Gwerystan ap Gwaithfoed Mathrafal
Great x 3 Grandfather: Cynfyn ap Gwersytan Mathrafal
Great x 4 Grandmother: Nest ferch Cadell ap Brochfael King Powys
Great x 2 Grandmother: Iwerydd Mathrafal
Great x 4 Grandfather: Sitric Silkbeard King Dublin
Great x 3 Grandmother: Unnamed d Sitric Silkbeard King Dublin
GrandMother: Angharad Queen Consort Gwynedd 1065-1162
Dafydd ab Owain Aberffraw Prince Gwynedd 1145-1203
Great x 4 Grandfather: Einion Dinefwr
Great x 3 Grandfather: Gronwy Ap Einion Dinefwr
Great x 2 Grandfather: Edwin of Tegeingl
Great x 4 Grandfather: Edwin Earl of Mercia
Great x 3 Grandmother: Ethelfleda or Aldgyth of Mercia
Great x 1 Grandfather: Owain ab Edwin
Great x 4 Grandfather: Gwerystan ap Gwaithfoed Mathrafal
Great x 3 Grandfather: Cynfyn ap Gwersytan Mathrafal
Great x 4 Grandmother: Nest ferch Cadell ap Brochfael King Powys
Great x 2 Grandmother: Iwerydd Mathrafal
Great x 4 Grandfather: Sitric Silkbeard King Dublin
Great x 3 Grandmother: Unnamed d Sitric Silkbeard King Dublin
GrandFather: Goronwy Unknown
Mother: Cristin ferch Goronwy Unknown Queen Consort Gwynedd 1105-1175