Zaladane is possibly the sister of the superhero who appears most commonly in association with whom?
Zaladane:  She is the alleged sister of Polaris, a claim made at a time when Polaris' own parentage had not yet been confirmed. Polaris (comics): Polaris (Lorna Dane) is a fictional superhero appearing in American comic books published by Marvel Comics, most commonly in association with the X-Men.
X-Men