Note that, from the generation of the children of Tamemasa, the Reizei family split into the family line of Tameyuki (the Kami-Reizei family) and the family line of Mochitame (the Shimo-Reizei family), but the official branch was the Kami-Reizei family.
なお、冷泉家は為尹の子の代から為之の流れ（上冷泉家）と持為の流れ（下冷泉家）に分かれるが、嫡流は上冷泉家である。