younger brother adopted as a successorとは 意味・読み方・使い方

Takakage sensed Hideyoshi's intention, and rushed to have Hidemoto MORI, who was a child of Motokiyo HOIDA, who was a younger brother of Takakage, adopted by Terumoto as the successor of the head family of the Mori clan.発音を聞く 例文帳に追加

隆景は秀吉の意図を知り、これを阻止するため、弟・穂井田元清の子である毛利秀元を輝元の養子として毛利本家の後継者を急ぎ決める。 - Wikipedia日英京都関連文書対訳コーパス

Given the above, in the event Konoe had no chance of succeeding to the Imperial Throne, there was a possibility for Shigehito to become a successor to the throne; however, Imperial Prince Morihito, the son of Sutoku's younger half-brother Imperial Prince Masahito, was also adopted, so that it ultimately became a factor of the Hogen War as a fight for imperial succession in later years.発音を聞く 例文帳に追加

これにより近衛が継嗣のないまま死去した場合には重仁への皇位継承が可能となったが、その後、崇徳の同母弟雅仁親王の王子守仁親王をも養子としたために、後年の保元の乱の原因となる跡目争いへの種が蒔かれてしまった。 - Wikipedia日英京都関連文書対訳コーパス