Whitney knew her gender identity from an early age. Thanks to her gender-neutral name and supportive parents, she was able to present as female as early as second grade.
Chapter VII, part i: This Table Ain’t Big Enough For The Ten Of Us. Eleven? Twelve?!
The heir’s transformation is still not entirely under their control; Cinnamon has been helping them with tips and emotional support, but something seems to not click for Storm. They’re afraid that going to Nox or Ray for help will spread rumors.
Chapter IV, part iii: Gossip Column, New Kid, & Those Mean Hollingsworth Kids
Most were-youth undergo their first transformation as they go through puberty. However, since their father was a human, Jett and his older sister, Jade, were late bloomers. Jade had her first transformation when she was fourteen and passed away shortly after; Jett did not transform for the first time until his seventeenth birthday.