Werner I, Count of Klettgau was a nobleman and an early member of the House of Habsburg. He was an ancestor of King Rudolph I of Germany.
Werner was sometimes called Werner the Pious. Wikipedia
Died: November 11, 1096, Constantinople
Great-grandparent: Guntram the Rich
Great grandchildren: Albert III, Count of Habsburg, Richenza of Habsburg, and Rudolf I, Graf von Tierstein, Vogt von Beinwil
Grandchildren: Werner II, Count of Habsburg and Rudolf III, Graf von Homberg
Grandparent: Lanzelin of Klettgau
Children: Otto II, Count of Habsburg and Adalbert II
Parents: Radbot of Klettgau