The Mythology & Folklore Database
He looked out through the door and saw that a troll was driving a pregnant woman in front of him and shouting repeatedly: "A little further! A little further!"
Then the blacksmith jumped up with his glowing iron and held it between the troll and the woman. The Troll had to let the woman go, whereupon he took flight.
The blacksmith then took care of the woman, who soon gave birth to two sons. Then he went to her husband, thinking that he would find him sad and concerned. However, entering the main room, he found a woman in the shape of the wife lying in bed. Immediately seeing what had happened, he took his ax and struck the head of the witch who was lying there in bed.
At first the man lamented the murder of his wife, but then the blacksmith brought back to him back his rightful wife and the two newborn boys.