The first three of these emperors make up the bulk of the Saxon dynasty and shared -- for 10 points -- what short palindromic name with Chancellor Bismarck?
The third invaded Italy twice and set up his tutor Gerbert of Aurillac [GURR-burt of OH-ree-ack] as Pope Sylvester II. The fourth was the son of Henry the Lion and was Welf candidate for the throne before being beaten out by the Hohenstaufen Frederick II. The second was married to the Byzantine princess Theophano.  The first, or the great, was responsible for an eponymous renaissance including such figures as Liutprand of Cremona, and was crowned by Pope John XII in 962 and trounced the Magyars at Lechfeld in 955. The first three of these emperors make up the bulk of the Saxon dynasty and shared -- for 10 points -- what short palindromic name with Chancellor Bismarck?
The third invaded Italy twice and set up his tutor Gerbert of Aurillac
Otto