Comment by Michael Bootes on My Sister Stole My Fiancé, So I’m Forced to Marry the Hideous Duke - Chapter 7

@Michael Bootes from her mom, maybe? her mom was wealthy

@Michael Bootes the jewel that are fake were made by her, she did mention that she made her dresses and other tools and the way she described the mountain camping and she also know how to cook its fairly clear that she has knowledge of our world, even if she , herself isnt aware of it