The Tudors of Penmynydd (Welsh: Tuduriaid Penmynydd) were a noble and aristocratic family, connected with the village of Penmynydd in Anglesey, North Wales, who were very influential in Welsh (and later English) politics.
Penmynydd ( / pɛnˈmʌnɪð / pen-MUN-idh,  Welsh: [pɛnˈmənɪð] i ), meaning "top of the mountain" in Welsh, is a village and community on Anglesey, Wales. It is known for being the birthplace of the Tudors of Penmynydd, which became the House of Tudor . The population according to the United Kingdom Census 2011 was 465.
They descended from the Tudors of Penmynydd and Catherine of Valois. The Tudor monarchs ruled the Kingdom of England and its realms, including their ancestral Wales and the Lordship of Ireland (later the Kingdom of Ireland) for 118 years with five monarchs: Henry VII, Henry VIII, Edward VI, Mary I and Elizabeth I.
For the early history to 1412, see the article on Ednyfed Fychan. The Penmynydd or senior branch of the family to which Owain Tudor and his royal descendants were related continued to be represented among the Anglesey squirearchy down to the beginning of the 18th century.
The Tudors of Penmynydd ( Welsh: Tuduriaid Penmynydd) were a noble and aristocratic family, connected with the village of Penmynydd in Anglesey, North Wales, who were very influential in Welsh (and later English) politics. From this family arose Owen Tudor and thereby the Welsh Tudor dynasty, that ruled England from 1485 to 1603.
Goronwy ap Tudur Hen was Lord of Penmynydd and a soldier in the service of the English crown.   He joined King Edward II of England for his invasion of Scotland in 1314 as part of the First War of Scottish Independence, which included service at the Battle of Bannockburn in June of that year. 
Tudors of Penmynydd Notes: ^ a b c d e f g h k m J. Williams (1869). "Penmynyth and the Tudors". Archaeologia Cambrensis. 15 (3rd ser): 278–294, 379–402. ^ a b c d e Glyn Roberts (1959). "EDNYFED FYCHAN ( EDNYFED ap CYNWRIG ) and his descendants". Dictionary of Welsh Biography. National Library of Wales. ^ a b Peter Bartrum. "Marchudd 11".