Eudamidas I was a Sparta

Sparta

Sparta or Lacedaemon, was a prominent city-state in ancient Greece, situated on the banks of the River Eurotas in Laconia, in south-eastern Peloponnese. It emerged as a political entity around the 10th century BC, when the invading Dorians subjugated the local, non-Dorian population. From c...

n king of the Eurypontid line, son of Archidamus III

Archidamus III

Archidamus III , the son of Agesilaus II, was king of Sparta from 360 BC to 338 BC.While still a prince, he was the eispnelas of Cleonymus, son of Sphodrias. He interceded with his own father to spare his aites' father's life in a legal matter, an action which further intensified friction between...

 and brother of Agis III

Agis III

Agis III , son of Archidamus III, was the 20th Eurypontid king of Sparta.He succeeded his father in 338 BC, on the very day of the battle of Chaeronea...

, whom he succeeded. He married the wealthy Arachidamia

Arachidamia

Arachidamia was a wealthy Spartan queen, wife of Eudamidas I, mother of Archidamus IV and Agesistrata, grandmother of Eudamidas II, great-grandmother and grandmother of Agis IV....

, and she had two children, Archidamus IV

Archidamus IV

Archidamus IV was a king of Sparta from 305 BC to c. 275 BC. He was the 23rd of the Eurypontids, the son of Eudamidas I and Arachidamia and the brother of Agesistrata, the nephew of Agis III and the grandson of Archidamus III. In 296 BC he was defeated by Demetrius Poliorcetes. He was succeded by...

 and Agesistrata.
There is evidence that Eudamidas I owned the half of his wife wealth in land . During his reign Sparta made peace . Pausanias devotes more space to Agis II

Agis II

Agis II was the 17th Eurypontid king of Sparta, the eldest son of Archidamus II by his first wife, and half-brother of Agesilaus II. He ruled with his Agiad co-monarch Pausanias....

 (427 - 400) and Agesilaus II

Agesilaus II

Agesilaus II, or Agesilaos II was a king of Sparta, of the Eurypontid dynasty, ruling from approximately 400 BC to 360 BC, during most of which time he was, in Plutarch's words, "as good as thought commander and king of all Greece," and was for the whole of it greatly identified with his...

 (400 - 360) than to other Kings, such as Agis III

Agis III

Agis III , son of Archidamus III, was the 20th Eurypontid king of Sparta.He succeeded his father in 338 BC, on the very day of the battle of Chaeronea...

(338 - 330) and Eudamidas I, whose lives he passed by briefly, as the Eurypontid line ‘fades’.