The cousin had to be the illegitimate daughter of the old man.
Experiment showed that legitimate unions yield a larger quantity of seed than illegitimate.
He died in 1458, leaving Naples t le Mo to his illegitimate son Ferdinand I.
They did not at once agree on - Charless successor; for some of them chose Eudes (Odo), son of Robert the Strong, for his brilliant defence of Paris against the Normans in 885; others Guy, duke of Spoleto in Italy, who had himself crowned at Langres; while many wished for Arnulf, illegitimate son of Carloman, king of Germany and emperor.
He seems, in addition, to have compromised his position with the grandducal family by the imprudent candour with which he condemned a machine for clearing the port of Leghorn, invented by Giovanni de' Medici, an illegitimate son of Cosmo I.