<Li> Ritchie Blackmore (born 1945), English guitarist, founding member of hard rock bands Deep Purple and Rainbow </Li> <Li> Ritchie Torres, New York politician </Li> <Li> Ritchie Valens (1941--1959), American singer, songwriter and guitarist </Li> <Ul> <Li> Grant, Ritchie and Company, a Scottish engineering company </Li> </Ul>

Where does the last name ritchie come from