Rosalie Disney isn't a name I've come across in mainstream Disney lore or creative circles, which makes me wonder if there might be a mix-up or a less-known figure you're referring to. The Disney family tree is sprawling, with plenty of contributors to animation, storytelling, and theme parks, but Rosalie doesn’t ring any immediate bells. If you meant someone like Walt Disney’s daughter, Diane Disney Miller, or his grand-niece Abigail Disney, their work is well-documented—Diane was instrumental in preserving her father’s legacy, while Abigail is known for her documentaries and activism.
If Rosalie is a niche creator or a behind-the-scenes talent, digging into archival materials or Disney fan forums might yield something. Sometimes, lesser-known artists or writers contribute to projects under collective credits or pen names. I’d recommend checking out books like 'The Disney Version' by Richard Schickel for deep dives into the family’s influence, or browsing platforms like IMDbPro for obscure credits. It’s also worth noting that Disney’s vault includes countless unnamed contributors—especially in early animation—so tracking down a specific individual can feel like detective work. If you uncover more clues, I’d love to hear them; nothing excites me more than unearthing hidden corners of entertainment history!