Religions of the ancient nords and ancient Egyptians have aspects of a “divine trinity”, and a son of God (or top God in polytheistic religions). I.e Odin - God the Father. Thor - God the Son. Freyr God the Holy Spirit. There’s also a trinity in Hinduism Ancient Greek and Ancient Egyptian religions but for the sake of trying to feed my daughter I’ll let you dig in. Full disclosure I am a practicing Christian but I enjoy reading into older religions.