Actually I do have save file for this one as well. I also replayed the battle 2 times, after the first I accidentally left the game but she wasn't in the holding, and second time she teleported to a clan city.
But for first time I'm 100% sure she teleported to Dunglanys, cuz I only attacked that caste so I can free her, get her back to a party and use the manpower again, since this was the first war my kingdom had I didn't have the chance yet to buy new clans, so every party mattered.
mkay, so I'll upload the save files, and add description to reproduction steps as well. I also made some pictures this time.
Initial scenario
First off I started here(1):
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At this point I saw that she is kept in prison for nasty behavior in Hongrad Castle.
1. from here I went there and besieged the castle.
2. I was able create 2 siege towers and 1 battering ram before the enemy armies hit me, but I think when first time I played it I only attacked with a ram and a single siege tower. I dont remember if the army besieged the castle after the first time this happened, but I think they didn't.
During the siege they have ballistas on the wall, so they didn't destroy the battering ram
4. After I captured the castle the clan tab showed that she is at the holding but she wasn't
5. She teleported to Dunglanys not long after that.
I do have a save file where I finished the war right after that, and I assigned here to create a new party, but she didn't have the time to come back to home territory yet, so she was still around that settlement. You can see that in this save file(2):
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Then this morning when I saw the mgs I checked the save files, saw that I actually do have save files, so I tried to reproduce it and did it twice. From the first one I didn't make photos, cuz I went to the castle, cuz I didn't see her in the holding and I thought that button is to check the keep in the strategy map, and instead of holding tab to exit I pressed esc and exit game by reflex, but I confirmed that in the clan tab she was showing as she is at the holding but she wasn't.
Reproduction
As for the second reproduction I created an another save file, which is right before the siege event, right before I pressed the assault button(3):
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This time 2 armies gathered around me, and they besieged me right after I captured the castle, so this might have an effect on where the character teleports, but I can't confirm it. However independently from this the companion wasn't in the holding right after the battle, and clans tab showed that she is there.
Pictures
First one showing her(Ivaren Willowbark) that she is a prisoner at Hongard castle. This was made during the reproduction phase.
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Then this next picture shows the moment right after the battle, that she can't be seen in the castle in the strategy map. This was made during the reproduction phase as well.
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Not going ahead in time, but checking the clans menu members tab, shows that she is in the holding. Also from the reproduction phase.
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Then I waited a bit of in-game time and she was teleported to Pravend - which was at this point a clan city. Also from the reproduction phase.
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And then we have a picture from the very first scenario when she teleported to Dunglanys, I made this pic, so you don't have to open the save file. This shows that she is deep in that area, this is like 2 days after the siege.
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