Question: Adrienne Frost is the older sister of a fictional character that first appeared in Uncanny X-Men #129 in January of what year?
Sentence (from "Emma Frost"): Emma Frost, also known as the White Queen, has evolved from a supervillain and foe of the X-Men, to becoming a superhero and one of the X-Men's most central members and leaders until the events of "Inhumans vs. X-Men".
Relevant evidence: No