In S01EP07 of Game of Thrones , Eddard Stark confronts Cersei Lannister regarding the legitimacy of her children along with the fact that she and her twin brother are lovers and that his son, Bran, saw the two of them together.

Eddard: brother or your lover?

Cersei: The Targaryens wed brothers and sisters for 300 years to keep bloodlines pure. Jaime and I are more than brother and sister. We shared a womb. We came into this world together. We belong together.

Eddard: My son saw you with him.

Bran didn't have any recollection of what caused his fall. He was not aware that Jaime Lannister pushed him. So, he couldn't have told his father what happened.

How did Eddard know that Bran saw Cersei and Jaime together?

  • 2
    "My son saw you with him." Maybe he guessed, given Bran was such a good climber, and he'd recently found out that Robert was not the father of Cersei's children. Commented Apr 17, 2017 at 23:03
  • Yep, I assume Ned deduced it from what he did know. Bran's mysterious accident, coupled with the fact that Cersei and Jaime had been alone in the castle that day, was too much for coincidence. Commented Apr 17, 2017 at 23:19
  • 2
    It was just weird that there wasn't that "aha" moment of him putting it together like there was when he was looking through the lineage book at Cersei's children. He just blurts it out to her during their conversation. I thought that I had missed something earlier in the episode. Commented Apr 17, 2017 at 23:21
  • 3
    @steeler If you want to see more internal monologue and characters' thought processes, you're on the wrong site - go read a book :-) Commented Apr 18, 2017 at 13:03

3 Answers 3


He made an educated guess, based on the information he had.

At this point in time, Ned knows or has worked out that:

  • Cersei and Jaime are secretly lovers;
  • Bran fell, despite being an excellent climber, on a day when Cersei and Jaime were left in Winterfell while nearly everyone else was out hunting;
  • someone, probably a Lannister (he's got the wrong one, but never mind) sent a man to kill Bran.

Clearly somebody wants Bran dead. Why? A child can't pose any threat to the Lannisters or anyone else, except by the information inside his head. What could he know that would be dangerous to the Lannisters? Presumably the same dark secret that got Jon Arryn killed. How could he have found it out? It's a reasonable guess to say he found out on the day he had his near-fatal accident, and found out in the simplest way possible - by seeing Jaime and Cersei together as lovers rather than siblings.

In the book A Game of Thrones, where of course we see a lot more of Ned's internal monologue, his musings with regard to Bran are made more explicit:

  • Lord Stannis shared the secret Jon Arryn had died for, he was certain of it. The truth he sought might very well be waiting for him on the ancient island fortress of House Targaryen.

    And when you have it, what then? Some secrets are safer kept hidden. Some secrets are too dangerous to share, even with those you love and trust. Ned slid the dagger that Catelyn had brought him out of the sheath on his belt. The Imp's knife. Why would the dwarf want Bran dead? To silence him, surely. Another secret, or only a different strand of the same web?

    -- A Game of Thrones, chapter "Eddard VIII"

  • And yet, he knew he could not keep silent. He had a duty to Robert, to the realm, to the shade of Jon Arryn … and to Bran, who surely must have stumbled on some part of the truth. Why else would they have tried to slay him?

    -- A Game of Thrones, chapter "Eddard XII"

Although in the book, this part of Ned's conversation with Cersei plays out slightly differently. Instead of stating his suspicions about Bran outright, Ned lets Cersei confirm them:

"My son Bran …"

To her credit, Cersei did not look away. "He saw us. You love your children, do you not?"

-- A Game of Thrones, chapter "Eddard XII"

  • 8
    What's use of such educated guess when he can't know that he is about be beheaded. ¯\_(ツ)_/¯
    – Mr_Green
    Commented Apr 18, 2017 at 9:43
  • 18
    His first clue was he was being played by Sean Bean. Dead give away, that.
    – Dancrumb
    Commented Apr 18, 2017 at 16:48
  • 5
    Dead give away, that.
    – chx
    Commented Apr 19, 2017 at 9:54

There was some good guesswork going on, and it was also probably a test.

Several points to consider.

  1. By now Ned Stark has found compelling evidence that one of his best friends (the king) is being cuckolded. At some level, he starts to actively dislike Cersei because of this. Ned has actively disliked Jamie since he became a Kingslayer.

  2. Cersei and Jamie are together at Winterfell, doing what it is they do. If they were intimate there, they would have had to keep it secret at all costs.

  3. Bran climbs like a stealth monkey. No one notices the breathtaking feats he achieves until he is occasionally spotted. When he is not spotted, he is uninjured to the point of showing not even a scratch.

  4. Bran doesn't fall.

  5. Against Jamie's potential avarice (and Cersei's heartlessness), Bran has no defense.

  6. Jamie and Cersei had the need to be alone in secret. Bran is a stealth monkey. If "a problem" arose, Jamie and Cersei had the motivation, opportunity, and disposition to murder the son of their host.

It would not be a surprise that Ned strongly suspected Cersei. What might be surprising is that he mentioned it to her straight up. He may have wanted confirmation by seeing her reaction to the statement. He got it.


Don't know why no one is mentioning this, but Eddard's wife found a blond lady's strand of hair when she was looking around the tower from which her son fell (actually was pushed). That kind of hair (length and color) wasn't too common that side of the kingdom(s), and at a watch tower of all places. This already meant the place was likely used as some kind of sexual rendezvous. The wife must have told Eddard this, remember she meet Eddard at the brothel later on. To me this was the greatest hint then added to all that mentioned in the other answers confirmed to Eddard what must have made his son fall.

  • Did they show that conversation between Eddard and his wife in the show? Commented Apr 18, 2017 at 23:12
  • Partly, where she tells Eddard that she believes it's the Lannisters doing, she then tells Eddard to trust that funny Brothel owner (who used to/still loves Eddard's wife) which is actually what led to his death.
    – Don Omondi
    Commented Apr 18, 2017 at 23:15
  • Oh. I thought that she was just referring to Tyrion Lannister Commented Apr 18, 2017 at 23:22
  • Not really because her suspicions of the Lannisters began even before the attempted murder on her and her son. That fact that she was told the knife used belonged to Tyrion just reaffirmed it. Remember, she always used to blame the Lannisters and never just Tyrion.
    – Don Omondi
    Commented Apr 18, 2017 at 23:27
  • Well, I am not that familiar with the show. I just started watching it at season 1 a few weeks ago, so I am really behind ;) Commented Apr 18, 2017 at 23:32

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