A Romish priest, born in Gascony, of humble parents; renowned for his charity; he founded the congregation of the Sisters of Charity, and that of the Priests of the Missions, afterwards called Lazarites, from the priory of St. Lazare, where they first established themselves, and instituted the Foundling Hospital in Paris; he was canonised by Pope Clement XII. in 1737 (1576-1660).