2009 年 74 巻 635 号 p. 233-240
On the Jotomon-dai(上東門第) and Ononomiya-dai(小野宮第), the following points were clarified:
1. The whereabouts for Empress of the Emperor in Jotomondai(上東門第) was Shinden(寝殿).
2. The whereabouts for Fujiwara-no-sanesuke(藤原実資) in Ononomiya-dai(小野宮第) was Shinden(寝殿), and whereabouts for Fujiwara-no-Michinaga(藤原道長) in Jotomon-dai(上東門第) was Tai(対).
3. The difference of the whereabouts of the master in Jotomon-dai(上東門第) and Ononomiya-dai(小野宮第) is caused by a regent and the chief adviser to the Emperor system.