The ango (pen name ending with the character 'an') of the Hisada family is Hanshoan, which is the name of the tea house called Nijo nakaita-no-seki (two tatami mats with a board in between) of the third generation Sozen.
久田家の庵号は半床庵（はんしょうあん）といい、3代宗全による二畳中板の茶室を指す。