In Greek mythology , Anchises was a son of Capys and Themiste ( daughter of Ilus , son of Tros ) or Hieromneme , a naiad . In Greek mythology , Anchises ( Ancient Greek : á 1\/4 Î Ï Î Ï Î Ï ) was the son of Capys and Themiste ( daughter of Ilus , son of Tros ) .