Hideyoshi further adopted the new Emperor's younger brother, Imperial Prince Toshihito HACHIJONOMIYA, since he had no biological child, and he reported to the Emperor during the Imperial visit to Jurakudai (Hideyoshi's palace and office in Kyoto) in 1588 that he would officially adopt the prince as a son of the Toyotomi clan and hand over the position of Kanpaku to him in the future.
更に秀吉は実子の不在を理由に新天皇の弟八条宮智仁親王を猶子とし、将来的には正式な豊臣氏の養子として関白を譲る意向である事を天正16年（1588年）の聚楽第行幸の際に後陽成天皇に奏上している。