Henry VII of England Margaret Beaufort, Countess of Richmond. His father, Edmund Tudor, 1st Earl of Richmond, died three months before his birth. Henry's paternal grandfather, Owen Tudor, originally from the Tudors of Penmynydd, Isle of Anglesey in Wales, had been a page in the court of Henry V. He rose to become one of the "Squires to the Body to the King" after military service at the Battle of Agincourt. Owen is said to have secretly married the widow of Henry V, Catherine of Valois. One of their sons was Edmund Tudor, father of Henry VII. Edmund was created Earl of Richmond in
Thomas Stanley, 1st Earl of Derby Alice Montagu, daughter and heiress of Thomas Montagu, 4th Earl of Salisbury. Eleanor died in 1472 and was buried in the Church of St James Garlickhythe in the City of London. By Eleanor he had eleven children, of whom three attained positions of great status: Secondly, shortly before 12 June 1472 he married Lady Margaret Beaufort, (1441/3-1509), daughter of John Beaufort, 1st Duke of Somerset (c.1403-1444), KG, a legitimised descendant of John of Gaunt (1340-1399) (third surviving son of King Edward III) by his mistress Katherine Swynford. Lady Margaret Beaufort was the widow successively of Edmund Tudor, Earl of Richmond