The overly-coincidental arrival of his brother Euron Crow’s Eye (III: 524) suggests that there is more than meets the eye to Balon’s death. The Ghost of High Heart revealed this prophetic vision which seems to have some bearing: “I dreamt of a man without a face, waiting on a bridge that swayed and…
Their motto is, “True to the Mark.” No member of the house has yet appeared directly, although the Sarsfield banner has been seen. The only member of the house to be mentioned is Ser Melwyn Sarsfield, husband to a daughter of Ser Harys Swyft.
"Melisandre has gazed into the flames, and seen him dead."
This is Lady Selyse, Stannis's wife, speaking about Renly. Although relayed second-hand, it appears to support the idea that Melisandre has the ability to see future events through scrying in fire.
Yes, ultimately Egg will become king, but that's a long and winding road, and the subject for many a later story... which I hope to write after I finish all the millions and zillions of words I've still got to write for A SONG OF ICE AND FIRE.
The Targaryens have heavily interbred, like the…