Is Emilia’s mother a witch?

Emilia’s mother was a human female who married a man of elven origins. The two of them had a daughter who they named Emilia.

Is Emilia Satella the witch?

It is mentioned many times by the villagers and other witches and many more that she is actually the witch’s daughter and not the witch herself.

Why did Emilia call herself a witch?

That is because she didn’t want someone else to get involved in the Throne Fight, with her special appearance, pretending to be the Jealous Witch is the fastest way to scare people away. But the plan actually failed because Subaru is a man from another world where the tales of the Jealous Witch doesn’t exist.