As is standard for Heian period women, her name is a composite of "Izumi" from her husband's and her father's official designation of .
While still married to Michisada, she fell in love and had an affair with Emperor Reizei's third son, Prince Tametaka (Danjo no Miya Tametaka Shinnō:弾正宮為尊親王 977-1002).