Michinaga built the glory days of the Fujiwara Hokke Family, and even after the collapse of the regency government, his descendents alone became Regents and Senior Regents by hereditary succession, and from the main line, the 5 Sekke Families and three families (Kazanin-ke, Oinomikado-ke, Daigo-ke) of the 9 Seigake Families developed.
道長は藤原北家の全盛期を築き、摂関政治の崩壊後も彼の子孫のみが摂関職を代々世襲し、本流から五摂家と九清華家のうち三家（花山院家・大炊御門家・醍醐家）を輩出した。