In Games of Thrones S01E05 Lady Stark seems to act on impulse on arresting Tyrion Lannister. She should have waited for more evidences and consult with Ned Stark. Instead she arrests Tyrion and goes to her sister.

Lysa is not a King who can punish him, while Catelyn knew their lives would be in danger if they hurt Tyrion.

Later Catelyn says she wants no harm of Lannister.

Robin - Mummy I want to see the bad man fly.

Lysa - Perhaps you will, my little love.

Catelyn - This man is my prisoner. I will not have him harmed.

If Lysa can't punish him, hurt him, keep him as her prisoner, why does Catelyn go to her sister in the first place? What does Catelyn expect her to do? Was all of that a show of impulsive behaviour?

  • 3
    He was a hostage and was supposed to be kept imprisoned; used as a leverage against rest of Lannisters.
    – Mithoron
    Feb 18, 2019 at 22:43

3 Answers 3


I am going to unpack the couple layers to this onion of question you have...

Lysa can't punish him, hurt him, keep him as her prisoner

On the contrary, since the death of her Lord Husband, Jon Arryn, Lys has become the Lady Regent of the Vale of Arryn. Remember this is a feudal society, and as such Lord have a direct rule over those living on their land (think of federal vs. local governments). It is well within her power to punish/imprison those who are on her land, even if they were brought there from the outside.

why does Catelyn go to her sister in the first place?

One, because it was not expected. After Catelyn arrests Tyrion she spreads a false rumor that they would return to Winterfell. She knows the Lannisters will receive this information as there were many patrons at the inn, and once they do they will be headed in the wrong direction.

Two, it is the safer place to be. Lysa is family and was also the one warn her about the "Lannister plot". The Eyrie is a heavily fortified location, particularly with the Gates of the Moon guarding the entire Vale. A Lannister army trying to free Tyrion would have little chance of reaching him.

What does Catelyn expect her to do?

Catelyn expects Lysa to keep her safe until a proper trial can be arranged. Since Ned is Hand of the King, he would need time to gain support from the King and stop a direct Lannister retaliation. A convoy of some sorts would need to be established to either bring the trial to Tyrion or to bring Tyrion back to Kings Landing safely and securely.

Was all of that a show of impulsive behaviour?

Not really. The initial act of taking Tyrion prisoner hostage on the spot was pretty impulsive, but the rest (as described above) seems reasonably well thought out. Tyrion's capture essentially serves as leverage. I don't think Catelyn believes that Tyrion was the one who directly harmed Bran, but since he is a Lannister (and technically the Tywin's heir) Tyrion is good hostage to at least let Catelyn and Lysa bring their concerns about the "Lannister plot" (i.e. murdering Jon Arryn, overtaking the throne) to light.


I beleive i've found a Reddit post which is quite useful in this situation.

  1. Going to Riverrun means going west, towards Lannister territory. Also it's a pretty open path. Way too much opportunity to get ambushed by Lannister men or mercenaries along the way. Taking the Kingsroad to Winterfell was too risky (and long), but she used that as the diversion. Pursuers are less inclined to follow them through the dangerous road to the Eyrie, even if they knew that was the way to go.

  2. She gets to confront her sister at the Eyrie about her suspicions.

  3. The Eyrie is easier to defend from siege than Riverrun, if it came to that.

  4. A trial at Riverrun would have to be conducted by her lord father, who was sick/bedridden at the time. A trial at Winterfell would have to be conducted by one of the kids, since Eddard is at King's Landing.
    - Stupid question: Why does Catelyn take Tyrion to the house of Tully in season one? - Reddit

So, to her it is probable that this seemed liked the most logical thing to do at the time. Also, (as the answer above states) Lysa does have the ability to punish Tyrion.

  • So, it wasn't as impulsive as it shows!! 2nd point isn't clear to me though..
    – Spectra
    Feb 19, 2019 at 7:12
  • So the least bad of a bunch of bad choices, makes sense Feb 19, 2019 at 8:32
  • @Spectra she Catlyn would (does) get to talk to Lysa about how she thinks they tried to kill Brann
    – Daeron
    Feb 19, 2019 at 16:46
  • @Niffler oh I see, about that...I thought there's nothing to talk about it as she had already taken action. Btw, I got another reddit post about Tyrion's arrest: reddit.com/r/asoiaf/comments/1cd3fq/… It got some valid points I think.
    – Spectra
    Feb 19, 2019 at 19:59

Lysa can "punish" him as Lady Regent of the Vale and with Robin as Lord Paramount of the Vale and the possible "Warden of the East" they have a vast control over the area. As such they can easily punish him.

keep him as her prisoner

I think the evidence in the show completely contradicts this as Tyrion is clearly shown to be their prisoner until of course he wins his Trial by Combat.

The only reason they couldn't hurt him is because Catelyn didn't want that to happen, she just wanted Tyrion to face his punishment of which he was found innocent of in the trial.

  • Why her sister, she could punish him herself, no ? She was married to Eddard Stark.
    – Spectra
    Feb 18, 2019 at 14:19
  • 3
    @Spectra Ned was preoccupied with being the Hand and the North is a long way away. Quickest to go to the Vale before being intercepted by Lannisters. Feb 18, 2019 at 14:21

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