Lieven

The House of Lieven (; ) is one of the oldest aristocratic families of Baltic Germans.
The family claims descent from Caupo of Turaida (Latvian, Kaupo), the Livonian quasi rex who converted to Christianity in 1186, when Bishop Meinhard attempted to Christianize the region. The Livonian Chronicle of Henry tells that in the winter 1203–1204 Caupo went to Rome with Theoderich von Treyden, a Cistercian Monk who was later to become the founder of the Livonian Brothers of the Sword... plus