commonly named after places or houses. In the late shogunate period , many anti-government activists used several false names to hide their activities from the shogunate . Examples are Saitani Umetarō (才谷梅太郎) for Sakamoto Ryōma (坂本 龍馬), Niibori Matsusuke (新堀松輔) for Kido Takayoshi (木戸 孝允) and Tani Umenosuke (谷梅之助) for Takasugi