Did you know/64
From A Wiki of Ice and Fire
... that a member of House Frey named Rhaegar has a son named Robert, born several years after Robert Baratheon killed Prince Rhaegar Targaryen on the Trident?
- ↑ A Clash of Kings, Appendix.
- ↑ The World of Ice & Fire, The Fall of the Dragons: Robert's Rebellion.