1) Ancestral ruler 2) Czar or shah 3) Hereditary ruler 4) King or czar 5) King or queen 6) King or shah 7) One in a powerful house 8) Potentate 9) Powerful figure 10) Ruler 11) Ruler by birth 12) Ruler by heredity 13) Swayer Found on https://www.crosswordclues.com/clue/dynast
Dy'nast noun [ Latin dynastes , Greek ..., from ... to be able or strong: confer French dynaste . See Dynamic .] 1. A ruler; a governor; a prince. 2. A dynasty; a government. [ Obsolete] Found on http://www.encyclo.co.uk/webster/D/135