For the character from A Song of Ice and Fire / Game of Thrones. Nym is one of Oberyn Martell's daughters- her mother was a noblewoman of Old Volantis.
Nymeria is twenty-five years old, slim and slender as a willow, with straight black hair, worn in a long braid which pulls back from a widow's peak. She has dark eyes, high cheekbones, full lips and pale white skin. Nymeria can usually can conceal a dozen daggers on her person and she knows how to use them.
She was also in bed with the Fowler twins when word of her father's death came, and she attends a feast in Sunspear wearing a transparent gown.