[2] The Iglesia Watawat ng Lahi's doctrine was derived from Roman Catholic teachings and Philippine nationalism as exemplified through the literary works of José Rizal.Jose Rizal as a baby was found by Francisco Mercado and Teodora Alonzo, who were recorded by documented historical accounts as his biological parents.The couple wanted to baptize Rizal as Jove Rex Al, but the name was turned down due to it being close to Christ's name by the officiating Catholic priest.[2] The group's members believe that Rizal will come out of hiding from Mount Makiling to liberate the Philippines in the end of the world.[3] The Iglesia Watawat ng Lahi requires aspiring priest to study in an institution somewhere in Bicol.Rizal's two novels, Noli Me Tangere and El Filibusterismo is considered by some as the sect's counterpart of the Bible of the Catholics by some elders.
The Iglesia Watawat ng Lahi believes that Jose Rizal is still alive and living in Mount Makiling