I See It I Like It I Want It My Husband Bought It shirt has absolutely no legal standing in this situation to do a damn thing. The house is your sisters free and clear. She can do what she wants with it, and I’m sure that your other sister will tell her the same. I would suggest telling your sister AND the couple leading the house to get a stay-away order against the aunt so she can’t just barge in without consequences. How did you know it was Philippine peso? The Philippines most definitely isn’t the only country with peso currency.