Dragaerans seem to freely mix Serioli, Dragaeran, and Eastern names as the mood takes them. Given that Ibronka seems to be an Eastern name, I'd say it more likely indicates that her (Piro's sweetheart, Ibronka the Dzur) parents simply liked the way the name sounded. I wouldn't even be that surprised to find a Dragaeran with a Cat-Centaur or Jenoine name. They don't seem to attach a lot of cultural significance to them.