Bael the Bard Baelish
So I just read up on Bael the Bard since its been bugging me that the character is associated with Mance and Rhaegar, when we have Petyr BAELish. My point being that the Bard is actually foreshadows LF's arc and not Mance or Rhaegar.
From the wiki:
"According to free folk legend, Lord Brandon Stark, the liege of the north, once called Bael a coward." - This fits with LF's duel with Brandon for Cat, I think.
"To take revenge of this affront and prove his courage, Bael climbed the W
Littlefinger climbed the walls of Riverrun so to speak and "stole" Lysa when he couldn't steal Catelyn. If Robert Arryn is LF's son, we see a very Bael the Bard situation with the Arryns. His adversary for Catelyn was another Brandon Stark. If Robert is LF's son, he's poised to be his son's enemy as both have eyes for Sansa.
LF is trying to repeat this all again with Sansa though hopefully with better results.
ADWD Cersei II
It came to her suddenly that she had stood in this ver