Kimbanguism is a sectarian branch of Christianity founded by Simon Kimbangu in what was then the Belgian Congo (now the Democratic Republic of Congo). The church's name is the Kimbanguist Church (fully: église de Jésus Christ sur la Terre par son envoyé spécial Simon Kimbangu, The Church of Jesus Christ on Earth by His special envoy Simon Kimbangu), and is a large, independent African Initiated Church with an estimated 5.