Saint Lorenzo Giustiniani (July 1, 1381 - January 8, 1456) is venerated as a saint by the Roman Catholic Church. He was Bishop and first Patriarch of Venice. He was a member of the well-known Giustiniani family, which includes several saints. The piety of his mother seems to have served as an inspiration for his later life. In 1400, he entered the congregation of the canons of St. George in Alga. He was admired by his fellows for his poverty, mortification, and fervency of prayer. During this time, the monastery was changed into a congregation of secular canons living in community. After his ordination in 1406, Lawrence was chosen to be the prior of this community, and shortly thereafter he became the general of that congregation. He gave them their constitution, and was so zealous in spre