In "Tokitsugu Kyoki" (Diary of Tokitsugu YAMASHINA), written later, there is a description of a Saishu (head Shinto priest) using Iwade-jo Castle as his home base under the dominance of the Kitabatake clan over the Ise-jingu Shrine's estate.
「言継卿記」に後世、北畠氏の神領支配で「岩出城」を拠点としていた事が記されている。