Who is Ginny Howard from The Broken Bridge and what is their importance?

Ginny is the sixteen-year-old main character of this coming of age novel set in the country of Wales and its surrounding territories. She is born of mixed race, her father English and her mother Haitian, and she strives to calm the uneasiness she feels regarding her lack of a tradition or heritage all her own. When clues that her father may not be who he says he is are unveiled, Ginny is motivated to open up her own private investigation into the truth.