<P> His local cult began to grow from roughly the second dynasty , establishing Ra as a sun deity . By the Fourth Dynasty , pharaohs were seen as Ra 's manifestations on earth , referred to as `` Sons of Ra '' . His worship increased massively in the Fifth Dynasty , when Ra became a state deity and pharaohs had specially aligned pyramids , obelisks , and solar temples built in his honor . The rulers of the Fifth Dynasty told their followers that they were sons of Ra himself and the wife of the high priest of Heliopolis . These pharaohs spent most of Egypt 's money on sun temples . The first Pyramid Texts began to arise , giving Ra more and more significance in the journey of the pharaoh through the Underworld . </P>
who was believed to be the son of re the sun god
The rulers of the Fifth Dynasty