He had invested so much already.
At this time Bianca's uncle, Ludovico Sforza, was invested with the duchy of Milan in return for the substantial dowry which his niece brought to the king.
The proceeds were invested in such a way at Paris as to bring him in a yearly income of between 6000 and 7000 francs (equal now to more than L500).
In reward for these services Belisarius was invested with the consular dignity, and medals were struck in his honour.
As for the inheritance, obviously he had some kind of access to Katie's money or he couldn't have invested with it.
