Eze Ugbonyamba was a young man when his father died, the British army led by Major Harry Moorhouse and Hugh Trenchard entered Nnewi in the same year. The British agreed to support the young King and Nnewi laid down arm soon afterwards. It was also in 1904 that Trenchard was involved in bringing Igboland under British control. It was Eze Odumegwu, supported by some of his people with courage, that came forward to Nkwo Nnewi on December 24, 1904 to welcome the new master, bringing presents of food and such other things as previously directed. His young cousin, Eze Ugbonyamba, as well as some other Obis, was not in attendance. The Major was very impressed with the reception and accorded therefore to Eze Odumegwu the headship of the entire Nnewi town. He declined to accept the offer, saying that there was a higher Obi than himself. He promised to come along at the next meeting with the young Obi to whom the honor belonged. Initially many of the inhabitants refused to surrender weaponry to the British and Trenchard's political advisor, R M Heron, arranged for the destruction of the houses of those who harboured weapons. In light of this policy, many guns and other arms were surrendered to Trenchard's soldiers at Nkwo Nnewi where they were destroyed. During this time the Igbo nicknamed Trenchard Nwangwele, meaning young lizard in Igbo, on account of his figure.
Reign
Nnewi thrived during his reign through land gains from neighboring towns like Ichi through wars, He also resettled soldiers in Abubo, Nnewiichi & Akabukwu. His reign marked the beginning of Christianity in Nnewi and his family and people would later gradually become Christians. He took the prestigious Nri Ozo title, with the Ozo name, 'Eze Ugbonyamba'.
Family Life
Eze Ugbonyamba married about a hundred wives among whom were Uzoagbala the mother ofJosiah Ejeagwu Mgbugo noted for her dazzling beauty and command of respect Uzumma Nwabudu Afuekwe Esomeju Amini Anyaku Oyilidiya olieukwu Onyeanu Odife Oliemma Akuzulumba Ogbeanu Ojinukanu and Alozo. He was the father of Nigeria's second senate president and acting president, Prince Nwafor Orizu and the Grandfather of Igwe Kenneth Onyeneke Orizu III, the current Igwe of Nnewi.
Legacy and memory
Before he died in 1924, Eze Ugbonyamba was the first Igbo to own a personal pleasure car. When the car was brought for him from Lagos, the European Provincial officer at Onitsha was invited to see the vehicle and share with the chief in his joy. He came to the palace on a motorcycle, inspected the car which, thereafter, had ON1 as its registration number. Thus, it was the first car in Onitsha Province and, probably, in all Eastern Region of Nigeria. He was succeeded in the same year by his son - Josiah Nnaji Orizu alias Igwe Orizu II as the nineteenth chief of Nnewi.