Complex sentence: Nevertheless, Garza Sada carried a gun as a way to selfdefense, so, in 1973, he died during a failed kidnapping attempt, leaving his wife, and eight children (among them the today successful businessmen Eugenio Garza Laguera y Alejandro Garza Laguera).
Split into simpler sentences: Nevertheless, Garza Sada carried a gun as a means of self defense, which ultimately led to his death in a failed kidnapping attempt in 1973. He was survived by his wife and eight children (among them the today successful businessmen Eugenio Garza Laguera y Alejandro Garza Laguera).