Complex sentence: Rodrigo's proud father, Don Diego (Michael Hordern), supports Rodrigo against Count Ordóñez, but later Gormaz refuses to take back the challenge or the accusation of treason, Rodrigo kills him in a duel.
Split into simpler sentences: Rodrigo's proud father, Don Diego (Michael Hordern), supports Rodrigo against Count Ordóñez. Later Gormaz refuses to take back the challenge or the accusation of treason, and Rodrigo kills him in a duel.