Princess Fallon is a major character in the 2006 film Barbie in The 12 Dancing Princesses. She is the sixth daughter of King Randolph and Queen Isabella, the younger sister of Ashlyn, Blair, Courtney, Delia and Edeline and the older sister of Genevieve, Hadley, Isla, Kathleen and Lacey and the sister-in-law of Derek. Out of all her sisters, Fallon is a romantic, being one of the first individuals to realize Derek and Genevieve's feelings for each other.