Yeah, I just saw that in the quest dialogue today. So can we assume that all the guest races who came to visit through their portals, went to live in another location on the continent of Elvenar at the end of the chapter, while relatives of each race just happen to have survived on/returned to the continent of Unur as well?
OK, mystery solved.
Apparently, Queen Maddhar (chapter 16) and Queen Sidhe (chapter 7) are cousins. Sidhe is still somewhere on Elvenar.
Funny thing. Sidhe are supernatural race of fairy beings of Irish mythology.
Both Merrows (Mermaids) and Banshees are technically variants of different Sidhe, just like Leprechauns.
Maddhar is a city in Pakistan. Maybe some immigrants work in IG.