Winterthur is a city in the canton of Zurich in northern Switzerland. With over 120,000 residents, it is the country's sixth-largest city by population, as well as its ninth-largest agglomeration with

The Kyburg family was a noble family of grafen in the Duchy of Swabia, a cadet line of the counts of Dillingen, who in the late 12th and early 13th centuries ruled the County of Kyburg, corresponding