In the paragraph on Shoryoryo (the Bureau for managing imperial mausoleums) in "the Engishiki" (an ancient book for codes and procedures on national rites and prayers), there appears Ega no Mofushi no oka Mausoleum.
『延喜式』諸陵寮に恵我藻伏崗陵（えがのもふしのおかのみささぎ）。