What is "pintorpafrun"

Pintorpafrun (The Lady of Pintorp) is a Swedish tale of a cruel lady of the manor that tormented the life out of servants and farmers. The story is the most famous of all Swedish legends about ghosts, white ladies and black wives who haunted castles and manors. The Lady of Pintorp is associated with Ericsberg Castle in Södermanland, which in the Middle Ages was called Pinnatorp. Pintorpafrun has also become a generic term for a cruel lady of the manor who returns to haunt the castle.