Original sentence: After the death of his mother in 1539 and of his father in 1544, both at the hands of Spanish conquerors, he became the ruler of the Neo-Inca State in Vilcabamba
Edited sentence: After the murder of his mother in 1539 and his father in 1544, both by the Spaniard conquerors, he became the ruler of the Neo-Inca State in Vilcabamba