was the eldest son of Oda Nobuhide

Oda Nobuhide

was a warlord and magistrate of lower Owari Province during the Sengoku period of Japan. His father was Oda Nobusada and Nobuhide was the father of Oda Nobunaga.-Ruling the clan:...

. After Nobuhiro's father took Anjo Castle in Mikawa Province

Mikawa Province

is an old province in the area that today forms the eastern half of Aichi Prefecture. It was sometimes called . Mikawa bordered on Owari, Mino, Shinano, and Tōtōmi Provinces....

 in 1540, the castle was given to Nobuhiro. During 1549, Nobuhiro was trapped by the Imagawa clan

Imagawa clan

The was a Japanese clan that claimed descent from Emperor Seiwa . It was a branch of the Minamoto clan by the Ashikaga clan.-Origins:Ashikaga Kuniuji, grandson of Ashikaga Yoshiuji, established himself in the 13th century at Imagawa and took its name.Imagawa Norikuni received from his cousin the...

, but was saved when the Oda clan

Oda clan

The was a family of Japanese daimyo who were to become an important political force in the unification of Japan in the mid-16th century. Though they had the climax of their fame under Oda Nobunaga and fell from the spotlight soon after, several branches of the family would continue on as daimyo...

 handed over one of their hostages—Matsudaira Takechiyo, later known as Tokugawa Ieyasu

Tokugawa Ieyasu

 was the founder and first shogun of the Tokugawa shogunate of Japan , which ruled from the Battle of Sekigahara  in 1600 until the Meiji Restoration in 1868. Ieyasu seized power in 1600, received appointment as shogun in 1603, abdicated from office in 1605, but...

. This was to make up for not lifting the siege of Anjō

Anjo, Aichi

is a city located in Aichi Prefecture, Japan. As of August 2011, the city had an estimated population of 179,614 and a population density of 2,090 persons per km²...

.

Nobuhiro's power was slowly fading due to being an illegitimate son and always being looked down upon by his younger brother Nobunaga

Oda Nobunaga

was the initiator of the unification of Japan under the shogunate in the late 16th century, which ruled Japan until the Meiji Restoration in 1868. He was also a major daimyo during the Sengoku period of Japanese history. His opus was continued, completed and finalized by his successors Toyotomi...

. Nobuhiro was also looked down upon by many of his own retainers. Afterwards, Nobuhiro was forced to sit down as the head of the Oda, and for Nobunaga to be the new head. Later on, Nobuhiro plotted against Nobunaga with the assistance of Saitō Yoshitatsu

Saito Yoshitatsu

was a Japanese daimyo of the Sengoku period. He was the second generation lord of the Saitō clan.-Early life:Yoshiatsu was born in Mino Province in 1527, the eldest son of Saitō Dōsan. Some theorize that Yoshitatsu was in fact the son of Toki Yorinari, the former ruler of Mino...

. Their scheme was uncovered before any damage was brought upon anyone, and Nobunaga forgave Nobuhiro. Nobuhiro ended up getting killed later on the 13th of October fighting the Nagashima monto.