Tiana Westbrook is the main protagonist of "The Princess and The Frog" let's play. She was adopted by Sophie Westbrook and Jamie Westbrook. She based off of the Disney Princess of the same name.
Tiana was adopted by Sophie and Jamie Westbrook and is the couple's only child. Jamie had passed away from what it seems is from her childhood to teen years.
It is mentioned that she was closer to Jamie than Sophie.