The first child was Jupiter also known as Zeus.  Zeus overthrew his Father Cronus and then drew lots with his brothers Poseidon and Hades. Zeus won the draw and became the supreme ruler of the gods. He is lord of the sky, the rain god.  His weapon is a thunderbolt, which he hurls at those who displease him.  He is married to Hera but is famous for his many affairs. He is also known to punish those that lie or break oaths.