Grandson

Grandson is a municipality in the district of Jura-Nord Vaudois in the canton of Vaud in Switzerland. It is situated on the south-west tip of Lake Neuchâtel, about 25 km north of Lausanne.
It was part of the Kingdom of Upper Burgundy until the death of
Rudolph III of Burgundy , also King of Lower Burgundy, the last in the male line, when it was united with the Holy Roman Empire. On 2 March 1476, during the Burgundian Wars, Charles the Bold was defeated here in the Battle of Grandson.

The Grandson family is first mentioned in the second half of the 11th Century as Grancione. The town was first mentioned around 1100 as de castro Grancione. Around 1126 it was mentioned as castri Grandissoni and in 1154 it was called apud Grantionem.

Wikipedia