Generally, several persons were appointed as In no betto, and mostly Kugyo (the top court officials) or Kurodo no to (Head Chamberlain) who served the retired emperor during the reign as the emperor were appointed as In no betto.
複数名が任命されるのが通例で、公卿もしくは上皇の天皇在位中の蔵人頭が任命されることが多い。