In or before 630 [his father] King Oswiu of Northumbria (age 18) and [his mother] were married. He the son of Æthelfrith King Northumbrians and Acha Queen Consort Northumbria.
Around 630 Ealhfrith King Deira was born to King Oswiu of Northumbria (age 18) and .
On 05 Aug 641 (or 642 or 644 depending on the source) King Penda of Mercia Mercian and Welsh army defeated the Northumbrian army at the Battle of Maserfield. The battle is believed to have taken place at Oswestry, Shropshire. Northumbria was once again separated into two kingdoms.
[his uncle] King Oswald of Northumberland (age 37) was killed. His body was subsequently dismembered with his head and arms mounted on poles. His brother [his father] King Oswiu of Northumbria (age 29) succeeded King Bernicia. [his mother] by marriage Queen Consort Bernicia.
Osric King Deira was killed. His son King Oswine of Deira succeeded King Deira.
Eowa King Mercia -642 was killed (probably).
Around 645 [his father] King Oswiu of Northumbria (age 33) and [his step-mother] Eanflæd Queen Consort Bernicia (age 18) were married. She by marriage Queen Consort Bernicia. She the daughter of King Edwin of Northumbria and Æthelburh Oiscingas Queen Consort Northumbria 605-647 (age 40). He the son of Æthelfrith King Northumbrians and Acha Queen Consort Northumbria. They were half first cousins.
In 655 Ealhfrith King Deira (age 25) succeeded King Deira.
Around 664 Ealhfrith King Deira (age 34) died. His brother [his half-brother] King Ecgfrith of Northumbria (age 19) succeeded King Deira. Æthelthryth Wuffingas Queen Consort Deira and Northumbria (age 28) by marriage Queen Consort Deira.
Before 15 Feb 670 [his father] King Oswiu of Northumbria (age 58) and Fín Cenél Neógain Queen Consort Bernicia were married. She by marriage Queen Consort Bernicia. He the son of Æthelfrith King Northumbrians and Acha Queen Consort Northumbria.
Kings Bernicia: Great Grand Son of Æthelric King Bernicia -572
Kings Deira: Great Grand Son of Aella King Deira -588
Great x 3 Grandfather: Eoppa Bernicia
Great x 2 Grandfather: Ida King Bernicia -559
Great x 1 Grandfather: Æthelric King Bernicia -572
GrandFather: Æthelfrith King Northumbrians
Father: King Oswiu of Northumbria
Great x 2 Grandfather: Yffe Deira
Great x 1 Grandfather: Aella King Deira -588
GrandMother: Acha Queen Consort Northumbria