Manco Cápac and Mama Ocllo founded the Inca civilization carrying a golden staff, called “tapac-yauri” making him the legendary first Sapa Inca of the Kingdom of Cuzco.
There are several versions of his origin story, which connect him to the foundation of Cusco.
In one myth, Manco Cápac is the son of the Sun God Inti and the Moon Goddess Mama Quilla. According to the Inti legend, Manco Cápac and his siblings were sent to the earth by the sun god and emerged from the cave of Pacaritambo carrying a golden staff, called "tapac-yauri". Instructed to create a Temple of the Sun in the spot where the staff sank into the earth, they traveled to Cuzco via underground caves and there built a temple in honour of their father Inti.
In the Wiracocha legend, Manco Cápac (Ayar Manco) was the son of Tici Viracocha of Paqari-Tampu (today Pacaritambo, 25 km south of Cuzco). He and his brothers (Ayar Anca, Ayar Cachi and Ayar Uchu) and sisters (Mama Ocllo, Mama Huaco, Mama Raua and Mama Cura) lived near Cuzco at Pacaritambo, and they united their people with other tribes encountered in their travels. They sought to conquer the tribes of the Cuzco Valley. This legend also incorporates the golden staff, thought to have been given to Manco Cápac by his father. Accounts vary, but according to some versions of the legend, the young Manco jealously betrayed his older brothers, killed them, and became the ruler of Cuzco.
Manco Cápac ruled the Kingdom of Cuzco for about 40 years, establishing a code of laws, and is thought to have abolished human sacrifice. The code of laws forbade marrying one's sister, but these laws did not apply to Inca nobility and so he married his sister, Mama Ocllo. With her, Manco had a son named Roca who became the next Sapa Inca. Manco Cápac is thought to have reigned until about 1230, though some put his death in 1107.
Manco ruled before the title of Sapa Inca was invented, so in fact his title is Cápac , which roughly translates as warlord.
Manco Capac & Mama Ocllo By Boris Vallejo
Manco Capac & Mama Ocllo by Gustavo Pons (from Historia Grafica del Peru)