The fourth son, Seitakamaru, was captured on August 7, and because he was at a young age of only 11 his life was spared, but he was kidnapped by Nobutsuna and was beheaded.
四男の勢多加丸は7月11日に捕らえられ、11歳とまだ幼い事から助命されるが、信綱に身柄を奪われ斬首された。