The Knights of Peter Claver and Ladies Auxiliary are the largest and oldest-continually existent predominantly African-American lay Catholic organization. The Order was Founded in 1909 by Fr. Conrad Friedrich Rebesher, a Josephite, in Mobile, Alabama. The KPC, were named after St. Peter Claver, a Jesuit priest from Spain who ministered to African slaves in Cartegena, Colombia, South America, in the 17th century. Peter Claver is said to have converted over 300,000 slaves to Catholicism. The Ladies Auxiliary was formed in 1922.