SOURCES – History’s 10 most influential illegitimate children

The following sources were consulted in the preparation of the article “History’s 10 most influential illegitimate children.”

  1. Matilda of England, empress
  2. William I ‘The Conqueror’ (r. 1066-1087)
  3. Holy Great Prince Vladimir (Basil in Baptism), Equal of the Apostles, and Enlightener of Rus’
  4. Henry II of Trastámara (1366–1367, 1369–1379)
  5. Milan, Leonardo and the Sforza family
  6. Cesare Borgia, Duke of Valentinois
  7. Don John of Austria
  8. Federigo da Montefeltro, 1422-1482, Count of Urbino 1444, and Duke 1474
  9. Morny, Charles Auguste Louis Joseph, duc de (1811 – 1865)