The Inca believed their emperor was a descendent of the?

Inca mythology includes many stories and legends that attempt to explain or symbolize Inca beliefs. Ethnographic and anthropological studies such as Prof, Gary Urton's demonstrate that Inka believe systems were inter-related to their view of the cosmos, in particular the way that they observed the motions of the portion of the milky way and planets of the solar system as seen from the Cusco or Qosqo (their capital whose meaning is 'the centre of the earth').