There was no direct relationship between Yoshiyasu and the Ichijo family that later rose as a line of regents and advisors (Sanetsune ICHIJO, who was the originator of the regent and advisor Ichijo family, was in the female line and was Yoshiyasu's great-great-grandson).
後の摂関家の一条家とは直接の関係はない（摂関家の一条家の祖である一条実経は女系で能保の親族呼称にあたる）。