The Fake Duchess In Distresss - Chapter 3

So she magically “returned” but from WHERE? Where has she been this whole time? Was she kidnapped or did she wander off? In either case how is it that she forgot her real family up until now? And the current Chariet seemed like she was old enough to realize that she wasn’t their actual daughter, she looked like she was about 10-12 years old when he brought her in so I’m curious as to how she was unaware of that fact. Her father is crap for trying to make her feel guilty for losing his “real” daughter and treating her like an interloper when HE’S the one who brought her there