Cleopatra III was a queen of ancient Egypt who ruled from 180 to 101 BCE. She was the daughter of Ptolemy VI and Cleopatra II, and she married her brother, Ptolemy VII, to strengthen her family's power. Cleopatra III played a significant role in the political landscape of her time, navigating conflicts between her family and rival factions. During her reign, Cleopatra III was known for her efforts to stabilize Egypt and maintain its independence amid external pressures, particularly from the Roman Republic. She had several children, including Ptolemy VIII, who later became king. Her legacy is marked by her influence on the Ptolemaic dynasty.