The Shibayama family was a "Tosho-ke" (hereditary lineage of Court nobles occupying relatively high ranks) of an illegitimate family lineage of Kajuji of the Takafuji group of the Northern House of the Fujiwara clan, and its social standing was a prestigious family.
芝山家（しばやまけ）は、藤原北家高藤流勧修寺庶流の堂上家、家格は、名家。