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BORGIA ALLIANCES.
At the time of his father's election to the throne of St.Peter, Cesare Borgia--now in his eighteenth year--was still at the University of Pisa.
It is a little odd, considering the great affection for his children which was ever one of Roderigo's most conspicuous characteristics, that he should not have ordered Cesare to Rome at once, to share in the general rejoicings.

It has been suggested that Alexander wished to avoid giving scandal by the presence of his children at such a time.

But that again looks like a judgement formed upon modern standards, for by the standards of his day one cannot conceive that he would have given very much scandal; moreover, it is to be remembered that Lucrezia and Giuffredo, at least, were in Rome at the time of their father's election to the tiara.
However that may be, Cesare did not quit Pisa until August of that year 1492, and even then not for Rome, but for Spoleto--in accordance with his father's orders--where he took up his residence in the castle.
Thence he wrote a letter to Piero de'Medici, which is interesting, firstly, as showing the good relations prevailing between them; secondly, as refuting a story in Guicciardini, wherewith that historian, ready, as ever, to belittle the Borgias, attempts to show him cutting a poor figure.

He tells us( 1) that, whilst at Pisa, Cesare had occasion to make an appeal to Piero de'Medici in the matter of a criminal case connected with one of his familiars; that he went to Florence and waited several hours in vain for an audience, whereafter he returned to Pisa "accounting himself despised and not a little injured." 1 Istoria d'Italia, tom.