And your very oldest ancestor that we know of: he was the Prince of Pylos! Hercules fought him once. It was a hard fight!
Did we win? Frank asked.
His mother laughed, but there was sadness in her voice. No, our ancestor lost. But it wasn’t easy for Hercules. Imagine trying to fight a swarm of bees. That’s how it was. Even Hercules had trouble!

The Son of Neptune, Chapter XXII