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Published March 2025. The Deeds of King Henry V, or in Latin Henrici Quinti, Angliæ Regis, Gesta, is a first-hand account of the Agincourt Campaign, and subsequent events to his death in 1422. The author of the first part was a Chaplain in King Henry's retinue who was present from King Henry's departure at Southampton in 1415, at the siege of Harfleur, the battle of Agincourt, and the celebrations on King Henry's return to London. The second part, by another writer, relates the events that took place including the negotiations at Troye, Henry's marriage and his death in 1422.

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Biography of Hywel "Dda aka Good" King Seisyllwg King Deheubarth 880-950

Paternal Family Tree: Aberffraw

Hywel "Dda aka Good" King Seisyllwg King Deheubarth and Elen Dyfed Queen Consort Seisyllwg Queen Consort Deheubarth were married. She the daughter of Llywarch ap Hyfaidd King Dyfed. He the son of Cadell ap Rhodri King Seisyllwg.

Hywel "Dda aka Good" King Seisyllwg King Deheubarth succeeded King Deheubarth. Elen Dyfed Queen Consort Seisyllwg Queen Consort Deheubarth by marriage Queen Consort Deheubarth.

Around 880 Hywel "Dda aka Good" King Seisyllwg King Deheubarth was born to Cadell ap Rhodri King Seisyllwg (age 26).

Around 904 Llywarch ap Hyfaidd King Dyfed was killed by Hywel "Dda aka Good" King Seisyllwg King Deheubarth (age 24) and his father [his father] Cadell ap Rhodri King Seisyllwg (age 50). His brother Rhodri succeeded King Dyfed.

In 909 [his father] Cadell ap Rhodri King Seisyllwg (age 55) died.

In 920 Hywel "Dda aka Good" King Seisyllwg King Deheubarth (age 40) succeeded King Seisyllwg. Elen Dyfed Queen Consort Seisyllwg Queen Consort Deheubarth by marriage Queen Consort Seisyllwg.

Anglo-Saxon Chronicle. 926. This year appeared fiery lights in the northern part of the firmament; and Sihtric departed; and King Athelstan (age 32) took to the kingdom of Northumbria, and governed all the kings that were in this island:-First, Howel, King of West-Wales (age 46); and Constantine, King of the Scots; and Owen, King of Monmouth; and Aldred, the son of Eadulf, of Bamburgh. And with covenants and oaths they ratified their agreement in the place called Emmet, on the fourth day before the ides of July; and renounced all idolatry, and afterwards returned in peace.

In 928 Hywel "Dda aka Good" King Seisyllwg King Deheubarth (age 48) went on pilgrimage to Rome, Italy [Map].

In 950 Hywel "Dda aka Good" King Seisyllwg King Deheubarth (age 70) died. His son [his son] Owain succeeded King Deheubarth.

[his son] Rhodri ap Hywel King Deheubarth was born to Hywel "Dda aka Good" King Seisyllwg King Deheubarth.

[his son] Edwin ap Hywel King Deheubarth was born to Hywel "Dda aka Good" King Seisyllwg King Deheubarth.

[his daughter] Edwin ap Hywel Dinefwr was born to Hywel "Dda aka Good" King Seisyllwg King Deheubarth.

[his son] Owain King Deheubarth was born to Hywel "Dda aka Good" King Seisyllwg King Deheubarth.

Royal Ancestors of Hywel "Dda aka Good" King Seisyllwg King Deheubarth 880-950

Kings Gwynedd: Grand Son of Rhodri ap Mervyn "The Great" King Gwynedd

Kings Seisyllwg: Son of Cadell ap Rhodri King Seisyllwg

Kings Powys: Great x 2 Grand Son of Cadell ap Brochfael King Powys

Royal Descendants of Hywel "Dda aka Good" King Seisyllwg King Deheubarth 880-950

Rhodri ap Hywel King Deheubarth

Edwin ap Hywel King Deheubarth

Owain King Deheubarth

Ancestors of Hywel "Dda aka Good" King Seisyllwg King Deheubarth 880-950

Great x 2 Grandfather: Gwriad ap Elidyr Aberffraw

Great x 1 Grandfather: Merfyn "Frych aka Freckled" King Gwynedd

Great x 4 Grandfather: Rhodri Molwynog "Bald and Grey" Anglesey

Great x 3 Grandfather: Cynan Dindaethwy ap Rhodri King Gwynedd

Great x 2 Grandmother: Esyllt Anglesey

GrandFather: Rhodri ap Mervyn "The Great" King Gwynedd

Great x 4 Grandfather: Elisedd ap Gwylog King Powys

Great x 3 Grandfather: Brochfael ap Elisedd King Powys

Great x 2 Grandfather: Cadell ap Brochfael King Powys

Great x 1 Grandmother: Nest ferch Cadell Cadelling Queen Consort Gwynedd

Father: Cadell ap Rhodri King Seisyllwg

Hywel "Dda aka Good" King Seisyllwg King Deheubarth