Berthold von Zähringen#
b. around 1022, d. Limburg near Weilheim (Germany), Nov. 6, 1078, Swabian nobleman (name derived from the castle near Freiburg in Breisgau). 1061 became Duke of Carinthia, in the investiture controversy was loyal to Rudolf von Rheinfelden and opposed Heinrich IV; denied access to Carinthia by the ruling House of Eppenstein and was eventually deposed in 1077.