1011: When the Emperor Sanjo was crowned, Michitsuna became Chugu Daibu (Master of the Consort's Household), then later became Kotaigogu Daibu (Master of the Grand Empress Dowager's Household).
1011年（寛弘8年）　三条天皇が即位すると、中宮大夫、ついで皇太后宮大夫となった。