Wikipedia
Echestratus
Echestratus was a King of ancient Sparta from about 900 to 870 BC. He was a son of king Agis I, and third of the Agiad line of Spartan kings.
In his reign the district of Cynuria on the Argive border was reduced. He was the father of Labotas or Leobotes, king of Sparta. His grandson was Doryssus.