 In English, shinnō and ō are both translated as "prince" as well as shinnōhi, naishinnō, ōhi and joō as "princess".After the removal of 11 collateral branches from the Imperial House in October 1947, the official membership of the Imperial Family has effectively been limited to the male line descendants of the Emperor Taishō, excluding females who married outside the Imperial Family and their descendants.There are currently 18 members of the Imperial Family