Athor
From The Stargate Omnipedia
Member of the Genii, friend of Commander Acastus Kolya. Athor's son, Idos, was dispatched with 59 other Genii soldiers to reinforce Kolya's foothold on Atlantis. Major John Sheppard threw up the Stargate shield at the last moment, killing all but five of the reinforcements. Idos was believed to be among the dead.
KEY EPISODE
The Eye - When Commander Kolya discovers 55 of his troops were killed before they could arrive through the Atlantis Stargate, he immediately inquires as to the status of his friend Athor's son.