Otto II, Count of Habsburg

Otto II (died 8 November 1111) was a (Count) of Habsburg and one of the founding members of the Habsburg family. He was the son of Werner I, Count of Habsburg. 
In 1108, Otto accompanied King Henry V on a campaign against Hungary. On his return, in 1111, he was murdered. Otto is presumed to be the first person to adopt the title .
He married Hilla, countess von Pfirt (died ), with whom he had two children, Werner II and Adelheid.