William of Worcester's Chronicle of England
William of Worcester, born around 1415, and died around 1482 was secretary to John Fastolf, the renowned soldier of the Hundred Years War, during which time he collected documents, letters, and wrote a record of events. Following their return to England in 1440 William was witness to major events. Twice in his chronicle he uses the first person: 1. when writing about the murder of Thomas, 7th Baron Scales, in 1460, he writes '… and I saw him lying naked in the cemetery near the porch of the church of St. Mary Overie in Southwark …' and 2. describing King Edward IV's entry into London in 1461 he writes '… proclaimed that all the people themselves were to recognize and acknowledge Edward as king. I was present and heard this, and immediately went down with them into the city'. William’s Chronicle is rich in detail. It is the source of much information about the Wars of the Roses, including the term 'Diabolical Marriage' to describe the marriage of Queen Elizabeth Woodville’s brother John’s marriage to Katherine, Dowager Duchess of Norfolk, he aged twenty, she sixty-five or more, and the story about a paper crown being placed in mockery on the severed head of Richard, 3rd Duke of York.
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Paternal Family Tree: Aberffraw
Hywel "Dda aka Good" 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" succeeded King Deheubarth. Elen Dyfed Queen Consort Seisyllwg Queen Consort Deheubarth by marriage Queen Consort Deheubarth.
Around 880 Hywel "Dda aka Good" was born to [his father] Cadell ap Rhodri King Seisyllwg (age 26).
Around 904 Llywarch ap Hyfaidd King Dyfed was killed by Hywel "Dda aka Good" (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" (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" (age 48) went on pilgrimage to Rome, Italy [Map].
In 950 Hywel "Dda aka Good" (age 70) died. His son Owain succeeded King Deheubarth.
[his son] Rhodri ap Hywel King Deheubarth was born to Hywel "Dda aka Good" .
The Deeds of the Dukes of Normandy
The Gesta Normannorum Ducum [The Deeds of the Dukes of Normandy] is a landmark medieval chronicle tracing the rise and fall of the Norman dynasty from its early roots through the pivotal events surrounding the Norman Conquest of England. Originally penned in Latin by the monk William of Jumièges shortly before 1060 and later expanded at the behest of William the Conqueror, the work chronicles the deeds, politics, battles, and leadership of the Norman dukes, especially William’s own claim to the English throne. The narrative combines earlier historical sources with firsthand information and oral testimony to present an authoritative account of Normandy’s transformation from a Viking settlement into one of medieval Europe’s most powerful realms. William’s history emphasizes the legitimacy, military prowess, and governance of the Norman line, framing their expansion, including the conquest of England, as both divinely sanctioned and noble in purpose. Later chroniclers such as Orderic Vitalis and Robert of Torigni continued the history, extending the coverage into the 12th century, providing broader context on ducal rule and its impact. Today this classic work remains a foundational source for understanding Norman identity, medieval statesmanship, and the historical forces that reshaped England and Western Europe between 800AD and 1100AD.
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[his son] Edwin ap Hywel King Deheubarth was born to Hywel "Dda aka Good" .
[his daughter] Edwin ap Hywel Dinefwr was born to Hywel "Dda aka Good" .
[his son] Owain King Deheubarth was born to Hywel "Dda aka Good" .
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
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
Great x 1 Grandfather: Meurig King Seisyllwg
GrandMother: Angharad Seisyllwg Queen Consort Gwynedd