Eh this is all going to be so much easier if I just do this:
Family 1 (two gymnast daughters, travel around touring, film basically every day of their lives) is called Bratayley on YouTube. Elder daughter is a level 9, younger daughter not sure, 3 or 4 I think. They do gymnastics for fun, not sure the elder girl would be suited to NCAA-style gymnastics as her technique still needs work. I only watch their meet videos when they come up so I have no idea what most of their content consists of. They have lots of young fans who think these two girls are angels as far as I can tell.
Family 2's (slightly smaller) channel is called Whitney Bjerken, after their eldest daughter. They post meet videos, some random home-video-type things, and lots of actually quite interesting films of Whitney's gym training. Sidenote: if you're a parent looking to see how higher-level optionalst train, take a look at some of her workout videos, it's quite astonishing. Anyway, she's extremely talented and is aiming for elite. She'd be excellent at NCAA assuming no injuries and/or burnout, but she's been struggling with problems on an off for a while now so hope things work out for her! She's the one who's being doing some modelling. Whitney also has many young fans who think she's an angel.
Not providing links as this may count as advertising, though if this info is out of line please let me know and I'll get rid of it. Just thought some clarity for the confused would help