Gazillions?
The most recent scholarship shows the number to be about 10-15 people per year in the 350 year long Inquisition, which was part of a centuries-long effort to drive the Mohammedans and their Jewish sympathizers out of Spain.
This 1994 BBC production is worth viewing. "The Myth of the Spanish Inquisition."
Additionally he was not a friend by any means to the Jews.....he invested the doctrine of perpetual servitude of the Jews – with the force of canonical law. (He was a lawyer)...
Canon law is practical law regarding the day-to-day governance of the Church, and is subject to constant revision. In this case, 'political servitude until Judgment Day' would mean that Jews would be subject to the laws governing Christian principalities, and would presumably have no voice in twelfth century government.
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Spanish Inquisition was only one of several at that time...look it up.
Further Jews died then...and their books burned...
We can get into this on another thread.