The von Carsteins have been prevalent throughout the recent history of the vampire counts, and are the only bloodline to openly go to war with the Empire. The blood line was created by Vlad when he married Isabella on the night that Count Otto, her father and the then count of Sylvania, died. The history of Vlad before that night is unclear. Vlad has come close to destroying the Empire, only being defeated in a duel with the Grand Theogonist, on the walls of Altdorf. After Vlad was killed there were five remaining claimants for the throne of Sylvania: Fritz was killed while attempting to besiege Middenheim, Hans was killed in a quarrel instigated by Konrad, Pieter was slain by witch hunter Helmut van Hal (rumor at the time suggested Mannfred led him to Pieter's lair), and Mannfred left Syl