Berthold V, Duke of Zähringen (b. 1160)
Berthold V, Duke of Zähringen (1160 – 18 February 1218 in Freiburg im Breisgau), also known as Bertold V or Berchtold V, was Duke of Zähringen from 1186 until his death. He was the son of Berthold IV and Heilwig of Frohburg.