In those days, Kiranosho reached out to the east and the west of the Furuyahagi-gawa River, so it was divided into two as the west and the east, and called, 'Tojo' (The castle exists in Shiroyama, Madarame, Kira-cho, Hazu County) and 'Saijo' (The castle presently exists in Nishio City).
当時の吉良荘は古矢作川の東西にも広がっていたため、川の東西をそれぞれ「東条」（城は現幡豆郡吉良町大字駮馬〈まだらめ〉字城山）・「西条」（城は現西尾市）と区分して呼んでいた。