Ancient Egyptians believed that gold was an indestructible and heavenly metal. The sun god, Ra, was often referred to as a mountain of gold. The Royal Tomb, in fact, known as the " House of Gold". The Pharaohs of the Old Kingdom were called the " Golden Horus". In Middle Egyptian the hieroglyph for nebu is S12 It was sometimes followed by the goddess determinative: I12 - this changed its meaning to "the Golden One", an epiphet of Hathor. The Ancient Egyptian name for the city of Ombos, Nebet, also used the nebu hieroglyph.