He died at an early age, and his widow, AWATA no Morone, got remarried to Emperor Junnin.
早世し、真従の未亡人の粟田諸姉は淳仁天皇と再婚。 - Wikipedia日英京都関連文書対訳コーパス
As a replacement, the Emperor Junnin, who was married to the widow (AWATA no Morone) of Nakamaro's first son, FUJIWARA no Mayori, was formally installed as the Crown Prince.
代わって、仲麻呂の早世した長男藤原真従の未亡人(粟田諸姉)を妃とする淳仁天皇が立太子される。 - Wikipedia日英京都関連文書対訳コーパス
Prince Oi not only lived in the house of Nakamaro but he was also married to AWATA no Morone (the widow of FUJIWARA no Mayori, the deceased eldest son of Nakamaro).
大炊王は仲麻呂の自邸に住んでいるのみならず、早世した長男藤原真従の未亡人である粟田諸姉を妻としていた。 - Wikipedia日英京都関連文書対訳コーパス
Prince Oi had a strong relationship with Nakamaro, having married AWATA no Morone, a widow of FUJIWARA no Mayori who was a daughter of Nakamaro, and lived in Nakamaro's private house.
大炊王は仲麻呂の子・藤原真従(まより)の未亡人である粟田諸姉を妻とし、仲麻呂の私邸に住むなど、仲麻呂と強い関係を持っていた。 - Wikipedia日英京都関連文書対訳コーパス