Although she was a former Imperial family member, there was only Takako among Michinaga's daughters who married a 'Tadabito' (non imperial family or non kugyo (the top court officials)).
元皇族であるとは言え、道長の娘で「たゞ人」（非皇族・非公卿）と婚姻を結んだのは尊子だけであった。