https://www.reddit.com/r/SapphoAndHerFriend/ has numerous examples.
https://en.m.wikipedia.org/wiki/History_of_lesbianism
There was allegedly a lesbian relationship between Anne, Queen of Great Britain and her courtier Abigail Masham, Baroness Masham.[144]
The question of Christina, Queen of Sweden's sexuality has been debated, but her relationships with women were noted during her lifetime.
There are more examples, in that wiki, I'll leave it up to you to decide which are notable.
Keep in mind that being openly gay/lesbian was at various points in history "frowned upon", so finding definitive proof one way or another is difficult.
Singular, this was one unhinged lunatic. (I know there are others that think like this, but this is another level of crazy)