The king's mother Lady Margaret Beaufort, countess of Richmond and Derby - Jones, Michael K.; Underwood, Malcolm G. (Cambridge Univ. Press, 1992)
Keywords: Beaufort, Margaret <Countess of Richmond and Derby, 1443-1509>; Beaufort, Margaret <Lady, 1441-1509>; Henri VII <roi d'Angleterre, 1457-1509> - Famille; Tudor (House of); Tudor, Maison de; Henry <VII, King of England, 1457-1509> -- Family; Tudor, House of; Beaufort, Margaret -- 1443-1509; Geschichte 1455-1485; Noblesse - Grande-Bretagne - Biographies; Geschichte; Nobility -- Great Britain -- Biography; Rosenkriege; Grande-Bretagne - Histoire - 1455-1485 (Guerre des Deux-Roses) - Biographies; Grande-Bretagne - Histoire - 1485-1509 (Henri VII) - Biographies; Großbritannien; Great Britain -- History -- Henry VII, 1485-1509 -- Biography; Great Britain -- History -- Wars of the Roses, 1455-1485 -- Biography; England; Biografie