Nowadays , the typical order of succession in hereditary monarchies is based on some form of primogeniture , but there exist other methods such as seniority , tanistry and rotation , which were much more common in the past .

Nowadays , the order of succession in hereditary monarchies is often based on the idea of primogeniture -LRB- oldest born -RRB- , but there have been other methods that were much more common in the past .
