He was son to the broad river Axius and Periboea eldest daughter of Acessamenus; for the river had lain with her.

Asteropaeus stood up out of the water to face him with a spear in either hand, and Xanthus filled him with courage, being angry for the death of the youths whom Achilles was slaying ruthlessly within his waters.

When they were close up with one another Achilles was first to speak.

"Who and whence are you," said he, "who dare to face me?
Woe to the parents whose son stands up against me." And the son of Pelegon answered, "Great son of Peleus, why should you ask my lineage.

I am from the fertile land of far Paeonia, captain of the Paeonians, and it is now eleven days that I am at Ilius.