As for family names, only for those whose family names became the same as their head families due to the secession from the Imperial Family in 1946, 'Marquis' was put before their family names in writing to avoid confusion.
家名については後年1946年の皇籍離脱によって本家筋の家の家名が同名となってしまった家についてのみ、混同を避けるため「○○侯爵家」と表記した。