Lawrence Justinian, C.R.S.A. (Italian: Lorenzo Giustiniani, 1 July 1381 – 8 January 1456), is venerated as a saint by the Catholic Church. He was a canon regular who was appointed as a bishop and became the first Patriarch of Venice. Lawrence Justinian was a member of the well-known Giustiniani family, which includes several saints. The piety of his mother seems to have served as an...