He had a close relationship with Nobunaga ODA and actually received a residence from him; on the other hand, Nobunaga tried to better his own position in the Imperial Palace by using his relationship with Imperial Prince Sanehito.
織田信長から屋敷を献上されるなど親密な関係であり、信長は誠仁親王との関係を通して朝廷との関係を優位にしようとしていた。