Berthold IV, Duke of Zähringen
Berthold IV | |
|---|---|
| Duke of Zähringen | |
Berthold IV, relief by Franz Xaver Hauser in the choir of Freiburg Minster (1793/5) | |
| Born | c. 1125 |
| Died | 8 December 1186 |
| Noble family | Zähringen |
| Spouse(s) | Heilwig of Frohburg Ida, Countess of Boulogne |
| Issue | Berthold V |
| Father | Conrad I, Duke of Zähringen |
| Mother | Clementia of Luxembourg-Namur |
Berthold IV, Duke of Zähringen (c. 1125 – 8 December 1186) was a Duke of Zähringen and Rector of Burgundy. He was the son of Conrad I, Duke of Zähringen and Clementia of Luxembourg-Namur. He founded numerous cities, including Fribourg.