1) Possibly I dont see why not. Where she could be is another question all together...
2) She was a tavern wench. Not sure that automatically makes her a "whore" in fact she actively sought the mayor cos he was impudent & when she was with MC she was very careful he wouldn't cum in her (until she thought he was taking Barreness potions).
3) Erevi had shown zero desire to be a mother until Nergal TOLD her to have you're kid. After that she was very much AGAINST having another kid until hypnotised by her own daughter. But perhaps like Liandra EREVI'S mother could show up on the scen

. That could be interesting triple generational relationship lol