Thanks for that link.
BTW: I was reading a little about the Dunk and Egg tales and forget how they were not really that far removed from the present GOT era.
Here is a little history......... and how the Dunk and Egg tales tie-in to GOT from Wiki.
Ser Duncan the Tall is listed among notable Commanders of the Kingsguard when Jaime Lannister is self-reflecting in A Storm of Swords, chapter 69. In the same chapter it is mentioned in the recordings of Barristan Selmy that he defeated Ser Duncan the Tall in the winter tourney of King's Landing.
From the genealogy chart of Targaryens in the reference section of A Game of Thrones, it shows that Egg would become King Aegon V (the Unlikely) and rule from 233-259. This was confirmed in A Clash of Kings, where it is revealed that Egg's brother Maester Aemon was offered the throne, he refused and suggested that Egg rule instead. As king, Egg wanted Aemon to help him rule, but Aemon chose to continue his maestering work and went to the Wall instead.
In A Storm of Swords, Prince Oberyn Martell remarks that “In the days of the Targaryens, a man who struck one of the blood royal would lose the hand he struck him with,” a situation which arises in The Hedge Knight.
In A Feast for Crows, Brienne has her shield painted with arms that match Dunk's. Brienne takes the arms from a shield she remembers seeing in her father's armory. Also in A Feast for Crows Brienne arrives at an inn owned by a girl whose last name is Heddle (possible descendant of Black Tom Heddle who is killed by Dunk in the Mystery Knight).
Also in A Feast for Crows, Maester Aemon mentions Egg's name several times in his delirium. It is revealed that one of Egg's daughters married a son of House Baratheon and became the mother of Lord Steffon Baratheon, and thus the grandmother of Robert, Renly and Stannis Baratheon. In the bonus features for Season One of Game of Thrones (on Blu-ray), Robert Baratheon states that this heritage is what allowed him to lay claim to the Iron Throne.
In A Dance with Dragons, the memories of Ser Barristan Selmy revealed that the sons of Egg had chosen their own wives for love, rather than accept matches for political advantage. Egg allowed his children their heart's desire, because he himself had also wed for love. According to Ser Barristan Selmy, this led to resentment and treason amongst the lords, ultimately leading to the "tragedy of Summerhall."