Cápac Yupanqui was the fifth Sapa Inca of the Kingdom of Cusco

Kingdom of Cusco

The Kingdom of Cusco was a small kingdom in the Andes that began as a small city-state founded by the Incas around the 12th century...

 (beginning around CE 1320) and the last of the Hurin dynasty. He was the son and successor of Mayta Cápac

Mayta Capac

Mayta Cápac was the fourth Sapa Inca of the Kingdom of Cuzco and a member of the Hurin dynasty. As son of Lloque Yupanqui, he was his heir and the father of Cápac Yupanqui...

. His wife Mama Cusi Hilpay or Qorihillpay was the daughter of the lord of Anta, previously a great enemy of the Incas. His son, founder of the Hanan dynasty, was Inca Roca

Inca Roca

Inca Roca was the sixth Sapa Inca of the Kingdom of Cusco and the first of the Hanan dynasty. His wife was Mama Michay, and his son was Yáhuar Huácac.- Biography :...

.

In legend he is a great conqueror; the chronicler Juan de Betanzos

Juan de Betanzos

Juan de Betanzos wrote one of the most important sources on the conquest of the Incan civilization, Narrative of the Incas. He based this account of the Incas on the testimony of his wife, who had been previously married to Incan King Atahualpa as well as conducting interviews of Incans who had...

 says that he was the first Inca to conquer territory outside the valley of Cuzco—which may be taken to delimit the importance of his predecessors. Garcilaso de la Vega

Inca Garcilaso de la Vega

Garcilaso de la Vega , born Gómez Suárez de Figueroa, was a historian and writer from the Spanish Viceroyalty of Peru. The son of a Spanish conquistador and an Inca noblewoman, he is recognized primarily for his contributions to Inca history, culture, and society...

 reports that he improved the city of Cuzco with many buildings, bridges, roads, and aqueducts.