Knitting Pattern for child Mary Jane slippers with lace

I am trying to locate a pattern for a childs size mary jane looking houseshoe. They have attached yarn that looks like a white sock. My grand daughters love them and I want to try to make them. I had purchased the grand daughters house shoes at a craft fair in the fall. They have worn the shoes so much the bottoms are nearly worn through. If you know where I can find a pattern, or if you have one that you would share, that would be great. Any information is very much appreciated. Thank you.