Columbia subject headings:
Billunger family.
Germany--History--843-1273.
Germany--History--Saxon House, 919-1024.
Nobility--Germany--Genealogy.
Harvard subject headings:
Billunger family.
Germany--History--843-1273.
Germany--History--Saxon House, 919-1024.
Nobility--Germany--Genealogy.
Princeton subject headings:
Billunger, House of.
Germany--History--Saxon House, 919-1024.
Germany--Kings and rulers--Biography.
Kings and rulers, Medieval--Biography.
Saints--Commemoration.