rigs kyi bdag po
From RangjungYesheWiki
Lord of the family. The chief buddha of the family to which one's particular yidam deity belongs. For example, Avalokiteshvara's crown buddha is Amitabha [RY]
Family lord. The chief figure of that particular buddha family [RY]
Family lord, individual tantras's chief deity [IW]
Family lord [RY]
