Ismark Kol­yanovich

The group met Ismark at Blood of the Vine Tavern
A young, albeit, grey-haired man. Ismark was the first Barovian to actively approach the group.
Ismark, compared to most Barovians you've seen thus far, is quite lively. Albeit at a very low bar, this by no means he is excitable or outwardly friendly. It just means he seems to have a personality.
Ismark asked the group take take Ireena to safety (see; quest; My Sister's Keeper

Brother of Ireena Kolyana
Co-owner of the Burgomaster's Mansion