What is "ilioneus"

In Greek mythology, the name Ilioneus may refer to:

• One of the Niobids.
• A Trojan, an only son of Phorbas, was killed by Peneleos.
• A Trojan elder, who implored Diomedes to spare him, but was killed nevertheless.
• A companion of Aeneas. He was one of those whose ships sank during the storm in which Aeneas and his people were caught. Being the eldest of the Trojan survivors with Aeneas, he was the first to speak to Dido when they entered her palace at Carthage.