Question: What is the date of death of Bertha Of Sulzbach's husband?
Sentence (from "Manuel I Komnenos"): Manuel I Komnenos or Comnenus, also known as Manuel Porphyrogennetos, "born in the purpleManouēl I Komnēnos"; 28 November 1118 – 24 September 1180) was a Byzantine Emperor of the 12th century who reigned over a crucial turning point in the history of Byzantium and the Mediterranean.
Relevant evidence: Yes