With the spread of the Osirian form of faith the doctrine of the Trinity became universal throughout Egypt. The organisation of the faith had included the reduction of the cycle of divinities connected with Osiris into a trinity. Thoth and Anubis, Nebhât and Set, were separated from him, and henceforth he was made the head of a triad, in which Isis was the second person, and Horus, the avenger of his father, was the third. How completely the father and son were merged together may be seen from a hymn to Horus which has been translated by Chabas[185]—
“The gods are joyous at the arrival of Osiris,
the son of Horus, the intrepid,
the truth-speaking, the son of Isis, the heir of Osiris. The divine chiefs join him,
the gods recognise the omnipotent child himself ...
the reign of justice belongs to him.
Horus has found his justification, to him is given the title of his father;
he appears with the atef-crown by order of Seb. He takes the royalty of the two worlds,
the crown of Upper Egypt is placed upon his head.
He judges the world as he likes,