One theory has it that Shiki no miko was the father of Mikata no Ono, who was deprived of his prince title 'due to a minor offence,' but the theory lacks substantial evidence.
なお、「微過に縁て」皇子の列から除かれたという御方大野の父を磯城皇子と見る説があるが、その根拠は乏しい。