During this time the relationship between Goshirakawa and Kiyomori was favorable, Goshirakawa showed his interest in the trading between Japan and Sung, when he granted a person from Sung an audience at Kiyomori's villa in Fukuhara in 1170, TAIRA no Kiyomori's daughter, TAIRA no Tokuko officially entered the Imperial Palace to become Emperor Takakura's wife in December 1171.
この頃の後白河と清盛の関係は良好で、嘉応2年（1170年）福原にある清盛の別荘で宋人を引見して日宋貿易に興味を示し、承安元年（1171年）12月には清盛の娘・平徳子が高倉天皇に入内する。