After Nobunaga was killed at the Honnoji Incident in 1582, Oda clan split into two groups (one is of Nobukatsu ODA, the second son, another is Nobutaka ODA, the third son).
信長が1582年の本能寺の変で殺害された後、織田氏は信長の次男・織田信雄と三男・織田信孝の両統に分裂する。