Horus as bright as the sun was explained by a tale, known as "The Contendings of Horus and Seth". In this tale, it was said that Set, the patron of Upper Egypt, and Horus, the patron of Lower Egypt, had battled for Egypt brutally, with neither side victorious, until eventually the gods sided with Horus. As Horus was the ultimate victor he became known as "ḥr.w wr" "Horus the Great", but more usually translated "Horus the Elder". In the struggle, Set had lost a testicle, and Horus's eye was gouged out. Horus represented the eclipsing binary Algol in the Calendar of
Four sons of Horus of Osiris. Either way, Duamutef through his worship of Isis has the power to protect the deceased from harm. Duamutef was also considered one of the four pillars of Shu, a rudder of heaven, and was associated with the east. Qebehsenuef was the falcon-headed son of Horus, and protected the intestines of the deceased. He was in turn protected by the goddess Serket. It appears that his role was to refresh the dead person, and his name means literally "he who libates his siblings". Horus commands him, "Come refresh my father; betake yourself to him in your name of Qebehsenuef.