|Book(s)|| A Storm of Swords (Appears)|
A Feast for Crows (Mentioned)
Jynessa Blackmont is the daughter and heir of the Lady of Blackmont.
A Storm of Swords
Jynessa accompanied her mother, Lady Larra and her brother Perros as part of the escort that accompanied Prince Oberyn Martell to King's Landing when he came to claim his seat on the small council.