Emperor Taisho was the third Imperial prince and was supposed to be the head of one of Jikimiyakes, but became the Crown Prince because his two older brothers had died young.
大正天皇は第三皇子であり、本来ならば明治天皇の直宮家の一つの当主であったが、二人の兄が夭折したため皇太子となった。