After the death of Munenobu, Munechika MATSUI who was a son of Nobushige MATSUI took over as castellan of Futamata Castle, but the fact that he was a husband to the older sister of Tsuratatsu IO who was castellan of Hamamatsu Castle caused him harm.
宗信の死後、松井信薫の子松井宗親が二俣城主となったが、浜松城主・飯尾連竜の姉婿であった事が災いした。