He was the youngest son of Juan de Jasso, privy councillor to Jean d'Albret, king of Navarre, and his wife, Maria de Azpilcueta y Xavier, sole heiress of two noble Navarrese families.
Xaverius) rather than "Francisco Xavier," as Xavier is originally a place-name.
Accordingly, Xavier devoted himself for nine weeks to the hospital for incurables, and then set out with eight companions for Rome, where Pope Paul III.
Returning to Venice, Xavier was ordained priest on Midsummer Day 1537; but the outbreak of war between Venice and Turkey put an end to the Palestine expedition, and the companions dispersed for a twelvemonth's home mission work in the Italian cities.
Nicolas Bobadilla and Xavier betook themselves first to Monselice and thence to Bologna, where they remained till summoned to Rome by Ignatius at the close of 1538.