She became TACHIBANA no Michisada, Izumi-no-kuninokami's wife, and was called 'Izumi Shikibu,' this being a combination of the country of her husband's post and the name of her father's office.
和泉国守の橘道貞の妻となり、夫の任国と父の官名を合わせて「和泉式部」の女房名をつけられた。