CK II - 3.2.1 Falling sick allows to release close family prisoners from the dungeon

[Lycrist Katkiller]

One line summary of your issue
3.2.1 Falling sick allows to release close family prisoners from the dungeon - FROM FOREIGN DUNGEON

Game Version
3.2.1

What expansions do you have installed?
All of the above

Do you have mods enabled?
No

Please explain your issue is in as much detail as possible.
I don't know which event triggers this (@Karlington probably knows :-D)
If a character in your dungeon is a close relative (I assume, children or wife usually) falls sick, there is an event where you may release them. This event comes up instead of the usual "sickness and death awaits us all - stop pestering"

Spoiler

However...

Spoiler

but still

Spoiler

Explaination: My child was imprisoned by a foreign (Shia) Caliph but when he fall sick I got the option to release him, which I did. Now he's free

Steps to reproduce the issue.
Have an child imprisoned at a foreign court, then infect him with some illness

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[Karlington]

I don't know which event triggers this (@Karlington probably knows :-D)

Is it my soul that calls upon my name?

The event is RIP.5060 and the "offending" option at lines 5901-5923 of events\rip_symptom_events.txt