The scattered ruins of an old knight's tower are still to be seen on one of the heights near Oberwesel. The castle was called Schönberg, after the seven virgins who once lived there, and whose beauty was renowned throughout all the Rhine countries.

Their father had died early, some say of grief, because Heaven had denied him a son, and an elderly aunt had striven in vain to guide the seven wild sisters; but her influence had not been sufficiently strong to lead them in the right way. After the death of this relative the seven beautiful maidens were left to themselves, and now their longing after liberty and the pleasures of the world broke out even stronger than before.

Many a tale was told about them, how they used to ride out hunting and hawking, how many a magnificent banquet was given by them, and how their beauty, their riches, and the gay and joyous life led by them attracted many knights from near and far; how many a stately noble came to their castle to woo one of the sisters, and how these maidens at first ensnared and enchanted him with a thousand attractive charms, only in the end to reject the enamoured suitor with scorn and mockery.

Ashamed and very wrathful many a great knight had left the castle, and with indignation and disdain had blotted out of his memory the names of these bewitching sirens who at first had listened with deceitful modesty to his honest wooing, only afterwards to declare with scornful laughter that their liberty was so dear to them, that they would not give it up for the sake of any man.