According to legend, the tower owes its name to a beautiful damsel named Hildburga, the daughter of the knight whose castle stood on the hill. To the displeasure of her father, the young lady fell in love with a poor knight, the Lord of Limberg, and so her father organized a tournament: the knight who won was allowed to ask for her hand. And so it happened that, in the final of the tournament, the girl's father and the Lord of Limberg faced one another. They collided with their horses and lances so hard that they skewered one another and died.