北方十字軍
Vironian was divided into five clans ("kilikunda"), "Maum" (in Estonian "Mahu"), "Laemund" (Lemmu) also known as "Pudiviru", "Askele", "Revele" (Rebala), "Alentagh" (Alutaguse). Like other Estonian tribes, Vironians remained predominantly pagan before Northern Crusades in the 13th century.