Thus the Sadatsugu family line was destroyed, whereupon the Mitsumura family line took over; the OIKAWA clan gave rise to many branches, spread and increased throughout Oshu.
それで定嗣の系統は滅亡し、光村の家系が取って代わり、及川氏は多くの分流を派生しつつ、奥州に増え広がった。