[1] In 1263 Peter II of Savoy established the vogtei of Saxon-Sembrancher with the seat of the bailiff in a small tower near Saxon.

[3] The office of Bailiff of Saxon-Sembrancher was held by the de Saxon family until their extinction in the middle of the 14th century.

[2] The round tower stand atop a hill about 663 meters (2,175 ft) south-west of the village.

The upper castle consisted of the large, round tower protected by a zwinger or kill zone.

There was a large rectangular gatehouse on the north end and a residential building at the south.