When Yatsugikami no mikoto-jinja Shrine (also presumably Yatsuki Shinmei-jinja Shrine: the enshrined deity is Amenoakaru Toyotama no Mikoto) is viewed from O-jinja Shrine, it is the direction in which Jinraku and Tsukiyama Kofun are located.
多神社から、摂社の屋就神命神社（やつぎかみのみことじんじゃ、やつき？しんめいじんじゃ：祭神天明豊玉命）の方角を見ると、神楽、築山古墳の方角となる。