House of Lenzburg (en), Lenzburger (de), Maison de Lenzbourg (fr), Casa die Lenzburg (it), Casa de Lenzburg (es)
Definitions
en
The Counts of Lenzburg (also Counts of Baden by the early 12th century) were a comital family in the Duchy of Swabia in the
11th and 12th centuries, controlling substantial portions of the pagi of Aargau and Zürichgau. After the extinction of their
male line in 1173, their lands were distributed between the houses of Kyburg, Zähringen and Hohenstaufen. Subsequent Habsburg
expansion into former Lenzburg territories were one of several factors that led to the formation of the Old Swiss Confederacy
in the late 13th century.