How many languages did saint john xxiii speak?

Saint John XXIII, born Angelo Giuseppe Roncalli, was known to be fluent in Italian and Latin, the official languages of the Catholic Church. He also spoke French and Spanish to a lesser extent, and was said to have a basic understanding of German and English.

It's important to note that fluency can vary, and while he may have understood these languages, he likely wasn't a master of them all.