The twin brother of Remus and the son of Rhea Silvia and Mars. Besides being the son of a god, he is a descendant of the Trojan hero Aeneas. He and his brother were exposed, but saved by a shepherd. After killing his brother Remus, he eventually founded his own city, Rome, and became its first king. He ruled for 37 years (753-715 BC).
For more on his birth and rise to be king of Rome, click here.
For information on his actions as king, click here.
Livy. Ab Urbe Condita.