The King of the Franks, in the midst of the Military Chiefs who formed his Treuste, or armed Court, dictates the Salic Law (Code of the Barbaric Laws).--Fac-simile of a Miniature in the Chronicles of St. Denis, a Manuscript of the Fourteenth Century (Library of the Arsenal). The...
Salic law
Succession within one family based on seniority was often a form to control an elective monarchy.
In the succession for the Emperor of Ethiopia, limitation to agnates was controlled until recent times.
According to research by the historian Taddesse Tamrat, the order of succession during the Zagwe dynasty was that of brother succeeding brother as King of Ethiopia (i.e, agnatic seniority), which apparently was based on Agaw laws of inheritance.