From A Wiki of Ice and Fire
|Born||In 292AC or 293AC|
|Book(s)|| A Clash of Kings (Mentioned)|
A Storm of Swords (Appears)
A Feast for Crows (Mentioned)
A Dance with Dragons (Mentioned)
Shirei Frey is the seventh daughter of Lord Walder Frey, the second born daughter of his seventh spouse, Lady Annara Farring. However according to Merrett Frey, Black Walder Frey was rumored to be sleeping with Lady Annara casting doubts on the parentage of her children. Shirei is the youngest daughter of Lord Walder Frey.
A Storm of Swords