Fukurokuju was originally an apotheosis of three gods including fuxing (the God of Fortune), luxing (the God of Prospersity) and shouxing (the God of Longevity), being the god existing in three entities and one substance.
福禄寿はもともと福星・禄星・寿星の三星をそれぞれ神格化した、三体一組の神である。