Who was the brother of XXX?
Huáscar
Huáscar Inca (Quechua: Waskar Inka, of uncertain meaning, said to be related to his birthplace Huascarpata; 1503--1532) was Sapa Inca of the Inca Empire from 1527 to 1532 AD, succeeding his father Huayna Capac and brother Ninan Cuyochi, both of whom died of smallpox while campaigning near Quito.