In Roman mythology, the father of Romulus and Remus is Mars, the god of war. According to legend, Romulus and Remus were said to be born from a vestal virgin named Rhea Silvia, who was impregnated by Mars. This divine parentage signifies their connection to power and heroic destiny. Romulus eventually founded Rome, leading to the establishment of its greatness. This myth highlights themes of divine influence and the origins of one of history's most significant civilizations.