The Tokyo-tei was where Emperor Seiwa (his mother was FUJIWARA no Akira Keiko (Somedono no Kisaki) was born in 850, so it was honored as the Ubugami (birth gods) and the Ubusunagami (guardian deity of one's birthplace), and next year of the emperor's enthronement in 859, Shonii (Senior Second Rank) was given to Munakata Sanjojin (promoted to Juichii (Junior First Rank) later), and in 865, Jusanmi (Junior Third Rank) was also given to Amanoiwatowake no kami, the shrine in the same mansion, and on May 19 of the same year, a shield, a pike, and a saddle were dedicated to the shrine but this dedication was not recorded in "Jinmyocho (the list of deities) of Engishiki" (codes and procedures on national rites and prayers).
東京第は嘉祥3年（850年）に清和天皇が誕生した場所で（母は冬嗣の孫、藤原明子(染殿后)）、その縁から同天皇の産神・産土神と崇められたようで、宗像3神には即位の翌年である貞観元年（859年）に正二位が授けられており（その後従一位に昇進）、同7年（865年）には同じく邸内社であった天石戸開神にも従三位が授けられ、同年4月17日(旧暦)には特に楯・桙・鞍を奉納するほどであったが、『延喜式神名帳』には登載されずに終わった。