Before the 1959 Democratic Reform,Tibet had 197 hereditary noble families and 25 big noble families,with the biggest numbering seven to eight,each holding dozens of manors and tens of thousand of ke of land.

• 1959年民主改革前，全西藏有世袭贵族197家，大贵族25家，其中最大的贵族有七、八家，每家占有几十个庄园，几万克土地。