Simplify the following text for a Grade 7 native English-speaking person.
Original: Ernesto Guevara de la serna was born to Celia de la Serna y Llosa and Ernesto Guevara Lynch on June 14 , 1928 in Rosario , Argentina , the eldest of five children in an Argentine family of Spanish , Basque and Irish descent .
Simplified: Ernesto Guevara de la Serna ( June 14 , 1928 - October 9 , 1967 ) was born in Argentina .