Guards

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Cozy Glow.

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Lemon Hearts

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Lyra Heartstrings.

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Mulberry Flowers.

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Rose

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There is one who appeared in a flashback.
See: "Princess Erroria" on the fandom wiki.
https://mlp.fandom.com/wiki/Princess_Erroria

7777046
yes Princess Erroria

this is the NONE-royal group

7777075
Sorry, there's just so many different lists and I only read the alicorn part. Anyway, 'princess' is a nickname given by the fandom, she is simply an animation error and was referred to that simply for being an alicorn error.

7777111
I understand
https://www.fimfiction.net/group/215167/male-alicorns-pegacorns/thread/507993/every-malel-alicorn-in-the-shows