Rhiannon: her name means " big queen ".
She is the goddess of birds, a queen of witches and enchantress. She appears as the boss of the twilight of the year. Her domain extends delights in the fertility and in the other world.
Several monuments dedicated to the God Esus, whom an altar of Trier, show three cranes. We ignore that means these three cranes, but it is likely that they are the demonstration of a divine set of three of feminine, conductive nature of souls.