born 1491 ??? died 1532 People proclaimed Huáscar, the heir of Huayna Capac, his father, and Incan emperor circa 1525; Atahualpa, half-brother, defeated him in a civil war at the time of the Spanish conquest of Peru. After death of Huayna Capac in 1525, a protracted civil war between Huáscar and Atahualpa, his sons, weakened Incan empire. After years of civil war, Atahualpa defeated Huáscar, his half-brother, in 1532. https://en.wikipedia.org/wiki/Hu%C3%A...