Archidamus I was a king of Sparta, 12th of the Eurypontids.

He was a son of Anaxidamus

Anaxidamus

Anaxidamus was a king of Sparta, 11th of the Eurypontids.He was the son of Zeuxidamus and contemporary with Anaxander, and lived to the conclusion of the Messenian Wars, 668 BC He was succeeded by his son Archidamus I.----...

 and contemporary with the Tegeatan War, which followed soon after the end of the second Messenian

Second Messenian War

The Second Messenian War was a war between the Ancient Greek states of Messenia and Sparta. It started around 40 years after the end of the First Messenian War with the uprising of a slave rebellion. This war lasted from 685 to 668.-Prelude:...

, in 668 BC. (Paus.

Pausanias (geographer)

Pausanias was a Greek traveler and geographer of the 2nd century AD, who lived in the times of Hadrian, Antoninus Pius and Marcus Aurelius. He is famous for his Description of Greece , a lengthy work that describes ancient Greece from firsthand observations, and is a crucial link between classical...

 iii. 7. § 69 comp. 3. § 5.) He married Lampito, the daughter of his grandfather Leotychides, who gave birth to his son by whom he was succeeded, Agasicles

Agasicles

Agasicles, Agesicles or Hegesicles was a king of Sparta, the thirteenth of the line of Procles.He was contemporary with the Agid Leon, and succeeded his father Archidamus I, probably about 590 BC or 600. During his reign the Lacedaemonians carried on an unsuccessful war against Tegea, but...

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