Dunod Fawr is a figure known from the Welsh Genealogies believed to have been a noble in the post-Roman

Sub-Roman Britain

Sub-Roman Britain is a term derived from an archaeological label for the material culture of Britain in Late Antiquity: the term "Sub-Roman" was invented to describe the potsherds in sites of the 5th century and the 6th century, initially with an implication of decay of locally-made wares from a...

 Hen Ogledd

Hen Ogledd

Yr Hen Ogledd is a Welsh term used by scholars to refer to those parts of what is now northern England and southern Scotland in the years between 500 and the Viking invasions of c. 800, with particular interest in the Brythonic-speaking peoples who lived there.The term is derived from heroic...

. Dunod was a son of Pabo Post Prydain

Pabo Post Prydain

Pabo Post Prydain was a king somewhere in the Hen Ogledd or Old North of sub-Roman Britain.According to the Old Welsh genealogies of British Library, Harleian MS 3859, he was a son of Cenau ap Coel Hen...

 and is believed to have succeeded his father as ruler of a small polity somewhere in what is now the North of England, possibly in Lonsdale

Lonsdale

-People:*Angela Lonsdale*Bruce Lonsdale*Christopher Lonsdale*Corrine Lonsdale*David Lonsdale*Derrick Lonsdale*Earl of Lonsdale*Edmund Lonsdale*Frederick Lonsdale, English dramatist*Gordon Arnold Lonsdale*Gordon Lonsdale*Harvey Lonsdale Elmes...

 and/or the Craven

Craven

Craven is a local government district in North Yorkshire, England that came into being in 1974, centred on the market town of Skipton. In the changes to British local government of that year this district was formed as the merger of Skipton urban district, Settle Rural District and most of Skipton...

 region of Yorkshire

Yorkshire

Yorkshire is a historic county of northern England and the largest in the United Kingdom. Because of its great size in comparison to other English counties, functions have been increasingly undertaken over time by its subdivisions, which have also been subject to periodic reform...

.

After the assassination

Assassination

To carry out an assassination is "to murder by a sudden and/or secret attack, often for political reasons." Alternatively, assassination may be defined as "the act of deliberately killing someone, especially a public figure, usually for hire or for political reasons."An assassination may be...

 of the apparent overlord of the Northern British, Urien Rheged, Dunod is said to have invaded Urien's homeland of Rheged

Rheged

Rheged is described in poetic sources as one of the kingdoms of the Hen Ogledd , the Brythonic-speaking region of what is now northern England and southern Scotland, during the Early Middle Ages...

 (in the Lake District

Lake District

The Lake District, also commonly known as The Lakes or Lakeland, is a mountainous region in North West England. A popular holiday destination, it is famous not only for its lakes and its mountains but also for its associations with the early 19th century poetry and writings of William Wordsworth...

), doing battle against Urien's sons Owain mab Urien

Owain mab Urien

Owain mab Urien was the son of Urien, king of Rheged c. 590, and fought with his father against the Angles of Bernicia. The historical figure of Owain became incorporated into the Arthurian cycle of legends where he is also known as Ywain, Yvain, Ewain or Uwain...

 and Pascent mab Urien.
He is said to have died at the hands of the Bernicia

Bernicia

Bernicia was an Anglo-Saxon kingdom established by Anglian settlers of the 6th century in what is now southeastern Scotland and North East England....

n Angles

Angles

The Angles is a modern English term for a Germanic people who took their name from the ancestral cultural region of Angeln, a district located in Schleswig-Holstein, Germany...

in around 595 AD.
His common epithet was Bwr, meaning 'stout', though he was occasionally known as Fawr, meaning 'the Great'.