Titu Cusi

Titu Cusi (Spanish: Diego de Castro Titu Kusi Yupanqui; Spanish pronunciation: [ˈdjeɣo ðe ˈkastɾo ˈtitu ˈkusi ʝuˈpaŋki]; Quechua: Titu Kusi Yupanki [ˈtɪtʊ ˈkʊsɪ jʊˈpæŋkɪ]) (1529 – 1571) was an Inca ruler of Vilcabamba and the penultimate leader of the Neo-Inca State. He was a son of Manco Inca Yupanqui. He was crowned in 1563, after the death of his half brother, Sayri Túpac. He ruled until his death in 1571, probably of pneumonia.

His 1570 work Relación de la conquista del Peru is a rare account of the Spanish conquest of the Inca Empire from the vantage point of an Inca elite.