So a strict hierarchy grew up among the feudal lords of the Zhou Dynasty, based on the patriarchal clan system and involving clans to which principal wives and concubines belonged.

• 因此周代分封诸侯，把"宗法"与"封建(封候建国)"结合起来的做法，便形成了围绕姬姓宗族的层层"大、小宗"的严密等级关系。