Leonidas
had a large family.His father,
Anaxandrides, was the king of Sparta at the time of Leonidas’s birth. It is
said that Leonidas was part of triplets and accompanied Dorieus and Clembrotus
in the trio. His mother is unknown but it is believed that she is a descendant
of Chilon the Wise. Cleomenes was his half-brother. Later in his life, Leonidas
married Gorgo, Cleomenes’ daughter. Gorgo and Leonidas became parents to their
son, Pleistarchos.