[1] The Freiherr de Worvo was first mentioned in 1127, a couple of years before the village appeared in the record.
By the second half of the 13th century the Freiherr von Kien had inherited village, lands and Worb Castle.
The family ruled over the Worb Herrschaft until 1336 when they became citizens of Bern and the territory came under Bernese authority.
Over the following centuries several Bernese noble families ruled over the land and divided and recombined the Herrschaft.
A new ornate manor house was built near the old castle in 1734 by the son of Christoph von Graffenried, Franz Ludwig von Graffenried.