As someone who hasn't played the previous games, really liking Triss and not liking Yen at all.
Yen is all slap slap kiss kiss... and that was before Geralt lost his memory and fucked her friend Triss.
(and this is Yens first appearance in the games)
So about the Frying Pan quest -With the monocle and the secret spy stuff, I saw someone speculating that the man who escaped might be Thaler. I wonder if that's true and we will find him somewhere later in the game. The monocle is still in my inventory.
Answer to your question:
Yes, but I doubt that's his doing. He's under cover as a shoemaker
Quick tip, when the three wraiths are summoned, Jenny heals if they get close to you.
So just keep away from the three, and eventually they disappear and Jenny will have regened no health.
Crossbow will also oneshot them if it hits.