Istredd

Istredd is a sorcerer in the city of Aedd Gynvael. Yennefer works with him then and again.

Movie and TV series
Istredd proposed to Yennefer while she was with Geralt in Aedd Gynvael. He promised her stability, a home, a future, and the child(ren) she's longed for. However, Yennefer left the city even before Geralt, and Istredd ended up helping Geralt when he faced Dermot Marranga and his men.

Played by Bronisław Wrocławski.