Theodemir or Thiudimer was king of the Ostrogoths of the Amal Dynasty, and father of Theoderic the Great.
[2] Theodemir was Arian, while his wife Erelieva was Catholic and took the Roman Christian name Eusebia upon her baptism.
[3] In the beginning of Theodemir's reign, he ruled together with his brothers-in-law as vassals under Attila the Hun.
He eventually consolidated the three Gothic regions in Pannonia under his rule after the death of Vidimir, and later inheriting the lands of the childless Valamir as well.
When Theodemir died in 475,[4] Theoderic succeeded him as king over a combined Ostrogothic Kingdom.