In addition, the status of the mother (the possibility to be conferred was low, unless being so-called 'kisakibara' [a child by an empress]) and the degree of intimacy with the emperor and influentials such as the Fujiwara clan were considered.
なおかつ母親の出自（いわゆる「后腹」でなければ叙位される可能性は低かった）や天皇との親疎、藤原氏などの権力者との親疎も加味されて叙された。