was a Japanese samurai
of the Azuchi-Momoyama Period. He was the second son of Oda Nobunaga
. He survived the decline of the Oda clan
from political prominence, becoming a daimyo
in the early Edo period
In 1570, Nobukatsu became an adopted heir of the Kitabatake clan
and married a daughter of the former lord of Kitabatake, Tomonori
. The true nature of this marriage was a condition of truce forced by the Oda clan to the Kitabatake clan. In 1575, Nobukatsu officially became the head of the family. The next year, he killed his father-in-law, imprisoned the previous lord, who was his father by adoption, and completely took over the Kitabatake clan.
In 1579, eager to achieve fame, Nobukatsu directed an invasion of Iga, which only ended in disastrous failure and severe rebuke from his father. Two years later, Nobunaga himself led another invasion with an army of several ten thousand and destroyed the whole region.
Death of Nobunaga
When Nobunaga and his heir, Nobutada
, died at the Incident at Honnō-ji
in 1582, problems arose about who will succeed the lordship of Oda clan
. Though Nobukatsu's younger brother Nobutaka
intended to become the new lord, the retainers decided on the two-year-old son of Nobutada, Oda Hidenobu
. It is said that the opinion of Toyotomi Hideyoshi
was most influential on this decision, and Hideyoshi, Nobukatsu and Nobutaka were assigned to the custodian of the new lord. At this point, Nobukatsu changed his surname back to Oda. And, he succeeded Mino Province
Decline of Nobukatsu
During the succeeding chaotic years, Nobukatsu joined with Hideyoshi to destroy Nobutaka. However, soon their relationship became hostile, too, and Nobukatsu allied with Tokugawa Ieyasu
to fight Hideyoshi in the Battle of Komaki and Nagakute
After more than a half year of battles, Hideyoshi persuaded Nobukatsu to make peace, offering him the security of the dominion. Nobukatsu took this offer and practically became a retainer of Hideyoshi. Later, when he served at the siege of Odawara (1590), he refused to accept the order of Hideyoshi to change his dominion, and not only lost his original dominion but also had to become a monk and be put under control of other retainers of Hideyoshi. A few years later, Hideyoshi's anger eased and Nobukatsu regained some land to dominate.
He became the guardian of Toyotomi Hideyori after Hideyoshi's death. However, he betrayed Toyotomi clan at Siege of Osaka, and surrendered to Tokugawa Ieyasu. As a result, he was permitted to remain a daimyo by the Tokugawa shogunate.
Though he is often described as an incompetent general, he at least managed to survive the series of upheavals. After the establishment of Tokugawa shogunate, he became the lord of the Uda-Matsuyama Domain in Yamato Province (modern-day Nara Prefecture), and comfortably lived the rest of his life.