The Egyptian Book of the dead by P. Le Page Renouf and Edouard Naville

7. Note that in this scholion Horus, ‘the avenger of his father,’ calls

his father not Osiris but Tmu. In the more recent texts there are many interpretations of the two Feathers. One is “his two _Eyes_F are the Feathers.” But the favourite one is “Isis and Nephthys, who have risen up as two kites” ⁂⁂⁂⁂.