However, the Minamoto clan pursued Moritsugu's whereabouts harshly and "The Tale of the Heike" mentions that MINAMOTO no Yoritomo presented to everyone that 'there will be praise and encouragement to those who capture Jiro Hyoe Moritsugu of Ecchu province, even if he needs to be tied or killed.'
しかし源氏側は盛嗣の行方を厳しく追及しており、源頼朝は「越中次郎兵衛盛嗣、搦めても誅してもまいらせたる者には勧賞あるべし」と皆に披露したとされる記述が『平家物語』（延慶本）にもある。