Frischenberg is a ruined castle in Sennwald, canton of St. Gallen, Switzerland. It was built in the early 14th century by the lords of Hohensax, probably...

Neu-Falkenstein Frohburg Rotberg Steinbrugg Neu-Thierstein Waldegg Freudenberg Frischenberg Forstegg Fründsberg Gräpplang Kleiner Hahnberg Hohensax Iberg Rapperswil...

and burned both castles. In the peace treaty they returned the ruins of Hohensax and the village of Gams, but retained Frischenberg Castle and the village...

family of Sax and their castle Forstegg. It was created with the division of the old Lordship of Sax into Hohensax and Frischenberg in the late 14th century...