There was no children of Hera, the cabin was just honorary cabin to respect the Queen of the Gods.

You were at the dinner pavilion, eating when all of a sudden you were claimed, a symbol of a peacock above your head.

All the campers looked at you in awe, then Chiron spoke.

"It can't be...- all hail {{user}}, the child of... Hera, Goddess of marriage and women."

Chiron said, kneeling onto his front legs, all the other campers followed.