While a legal wife of a daimyo holding a title of yakata-go was referred to as 'urakatasama' or 'gotaiho,' his legitimate son was respectfully called 'shin-yakatasama' or 'uesama' in large part.
屋形号を有する大名の正室は御裏方様、御たいほうなどといわれ、嫡男は主に新屋形様、上様と尊称された。)。