It is said that the direct line of Yoshisada was broken when Yoshimune's son Sadakata NITTA (Yoshikuni) and his eldest son Sadakuni NITTA were executed in Kamakura in the Oei era.
義貞の直系では、応永年間に義宗の子・新田貞方（義邦）が捕縛され、長子の新田貞邦と共に鎌倉で処刑されて断絶したという。