Question: What nationality is Jean Acker's husband?
Sentence (from "Rudolph Valentino"): Rodolfo Pietro Filiberto Raffaello Guglielmi di Valentina d'Antonguella (May 6, 1895 – August 23, 1926), known professionally as Rudolph Valentino, was an Italian actor based in the United States who starred in several well-known silent films including "The Four Horsemen of the Apocalypse,The Sheik,Blood and Sand,The Eagle," and "The Son of the Sheik."
Relevant evidence: Yes