Curse of the Witching Tree (2015) online

An innocent woman, accused of murdering her son and hanged as a witch, curses a tree and the children who play around it. The effects of this act of revenge echo through the years and centuries, and restless spirits haunt the house where the bodies of the cursed children have been buried. A family move into their new home, and begin to uncover the terrible truth behind The Witching Tree and the murdered children upon which they unknowingly sleep...