sentences:  Bishop Bruté ordained Petit as a Roman Catholic priest on October 14, 1837, at Vincennes.In October 1837 Bishop Bruté sent the newly ordained priest to the Catholic mission at Twin Lakes, Indiana, as a replacement for Father Louis Deseille, who died on September 26, 1837, while serving as a missionary among the Potawatomi in northern Indiana.Father Petit arrived at the mission on November 3, 1837.