From A Wiki of Ice and Fire
Ser Franklyn Frey was a knight from House Frey and the brother to Lord Frey of the Crossing during the reign of King Aerys I Targaryen. He was considered a good tourney fighter.
Ser Franklyn participated in the tourney at Ashford Meadow in 209 AC. During the wedding tourney at Whitewalls in 212 AC, he defeated Ser Harbert Paege after five tilts. In his next joust at Whitewalls, Franklyn was defeated by Ser John the Fiddler.