What is the Prayer recited by Ezio in Assassins creed 2

This is the full prayer and it's Latin, not Italian.

Anima eius et animae omnium fidelium defunctorum per Dei misericordiam requiescant in pace.


Translates to:
His life, and through God's mercy the soul of all the faithful departed rest in peace.

The "requiescant in pace" is the one you'll be most familiar with. Pace is pronounced 'parchy'