CHAPTER III

1404. Guidantonio Count of Urbino 42

1408. Made Lord of Assisi 42

1413. And Vice-general of Romagna 43

" Braccio di Montone 43

1417. Nov. 11. Election of Pope Martin V. 44

1418. Dec. Count Guidantonio made Duke of Spoleto 44

1420. Braccio reconciled to the Pope 45

1424. March 4. The Count marries Caterina Colonna 45

" His disputes with the Brancaleoni 45

1430. Sept. 3. Made Captain-general of Florence 46

1431. March 3. Election of Pope Eugenius IV. 46

1438. Oct. 9. Death of Countess Caterina 47

1442. Feb. 20. Death of Count Guidantonio 47

" His children 47

" His daughter Brigida Sueva's singular history 48

" His natural children 49

" Origin of the Ubaldini della Carda 49

" Notice of Ottaviano Ubaldino 50

1424. Birth of Count Oddantonio of Urbino 51

1443. April 26. Made Duke of Urbino 51

" His vicious career 52

1444. July 22. His assassination 53

" His intended marriage 55

1439-1443. Two original letters from him to the magistrates of Siena 56

The dukedom lapsed on his death 58