Surname Rihuai (Rihuai ) , globally, is an extremely rare family name. Much more frequently, Rihuai is the forename as well as the last name.
利怀, 利槐, 利淮, 日怀, 日槐, and 里怀
) , globally, is an extremely rare family name. Much more frequently, Rihuai is the forename as well as the last name.