Three members of Pope's extended family die in Argentina car crash

(CNN) -- Two of Pope Francis' grandnephews and the boys' mother were killed early Tuesday in an Argentina car crash that also seriously injured the pontiff's nephew, police said.

A car driven by the Pope's nephew, Emanuel Horacio Bergoglio, struck a truck on a highway in Cordoba at about 12:30 a.m., Cordoba police spokeswoman Carina Ferreyra said.

Emanuel Bergoglio's sons -- Jose Bergoglio, 8 months, and Antonio Bergoglio, 2 -- and his wife and the boys' mother, Valeria Carmona, 36, died, police said.

Emanuel Bergoglio, 35, was taken to a hospital in Cordoba, where he was in critical condition Tuesday morning, Ferreyra said.

Pope Francis, the former Jorge Mario Bergoglio, is a native of Argentina, where he was ordained as a Roman Catholic priest in 1969. He was archbishop of Buenos Aires from 1998 until he became Pope in March 2013.

CNN's Jason Hanna and Elwyn Lopez reported and wrote from Atlanta.

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