Peter Gonzales, also known as St. Elmo or St. Telmo, was born to a Castilian family of nobility. He was educated by his uncle, the Bishop of Astorga, named canon of the local cathedral, famous for his penances and mortifications, joined the Dominican Order, preached and made chaplain of the court of King St. Ferdinand III. He converted and influenced the soldiers of his country, evangelized, and died on Easter Sunday. He was canonized by Pope Benedict XIV in 1741. Peter evangelized throughout his country and all along the coast. He had a special fondness for sailors. He used to visit them aboard their ships, preaching the Gospel and praying for their needs. His feast day is April 14th.

Dominican protector of captives and sailors. Born in Astorga, Spain, he entered the Dominicans and became the chaplain and confessor of King St. Ferdinand of Castile. He preached a campaign against the Moors, and then cared for the captured Muslims. He also cared for sailors, who dubbed him Thelmo, after St. Elmo.

http://www.catholic.org/saints/saint.php?saint_id=5368