House of Tudor did not think of them as ‘Tudors’, or of themselves as ‘Tudor people’". Princes and Princesses would have been known as "of England". The medieval practice of colloquially calling princes after their place birth (e.g. Henry of Bolingbroke for Henry IV or Henry of Monmouth for Henry V) was not followed. Henry VII was likely known as "Henry of Richmond" before his taking of the throne. The Tudors' claim to the throne was the strongest one at the end of the Wars of the Roses, as it combined the Lancastrian claim in their descent from the Beauforts and the Royal
House of Tudor Catholic Mary I. On 1 November 1455, John Beaufort's granddaughter, Margaret Beaufort, Countess of Richmond and Derby, married Henry VI's maternal half-brother Edmund Tudor, 1st Earl of Richmond. It was his father, Owen Tudor (), who abandoned the Welsh patronymic naming practice and adopted a fixed surname. When he did, he did not choose, as was generally the custom, his father's name, Maredudd, but chose that of his grandfather, Tudur ap Goronwy, instead. This name is sometimes given as "Tewdwr", the Welsh form of Theodore, but Modern Welsh "Tudur", Old Welsh "Tutir" is originally not a variant but a different