This name comes from the Old High German name "Hrodulf, Hruodolf, and Hruodulf", from the Ancient Germanic root: “*hrōþiz” (praise, fame, glory, renown, honor) plus “*-wulfaz” (wolf)“. In turn, the name means “fame and glory for the wolf”. 1) Saint Rudolf Gabrielli, also known as "Saint Rudolf bishop", was a Benedictine Monk who became bishop of Gubbio and is venerated as a saint by the Catholic Church. 2) Rudolph I, was King of the Romans from 1273 until his death. Rudolph was the first of the count-kings, so-called by the historian Bernd Schneidmüller. 3) Rudolf II (1552–1612) was Holy Roman Emperor (1576–1612), King of Hungary and Croatia, King of Bohemia and Archduke of Austria. He was a member of the House of Habsburg.