Pleistarchus
Pleistarchus was the Agiad King of Sparta from 480 to 458 BC. Wikipedia
Born: Sparta
Parents: Leonidas I and Gorgo, Queen of Sparta
Grandparents: Cleomenes I and Anaxandridas II
Great-grandparents: Anaxandridas II and Leon of Sparta
Uncles: Cleomenes I, Cleombrotus, and Dorieus
Reign: 480–459 BC