List of Famous people with last name I

George Tupou I, King of Tonga was originally known as Tāufaʻāhau I, or Tupou Maeakafa Ngininginiofolanga in modern spelling. He adopted the name Siaosi, the Tongan version of George, after King George III of the United Kingdom, when he was baptized in 1831. His nickname was Lopa-ukamea, meaning iron cable.

Valentinian I, also known as Valentinian the Great, was Roman emperor from 364 to 375. Upon becoming emperor he made his brother Valens his co-emperor, giving him rule of the eastern provinces while Valentinian retained the west.

Phra Phutthayotfa Chulalok Maharaj, born Thongduang and also known as Rama I, was the founder of Rattanakosin Kingdom and the first monarch of the reigning Chakri dynasty of Siam. His full title in Thai is Phra Bat Somdet Phra Paramoruracha Mahachakkriborommanat Phra Phutthayotfa Chulalok. He ascended the throne in 1782, after defeating a rebellion which had deposed King Taksin of Thonburi. He was also celebrated as the founder of Rattanakosin as the new capital of the reunited kingdom.

Raja Man Singh was the Kachwaha Raja of Amer, a state later known as Jaipur in Rajputana. He was a trusted general of the Mughal emperor Akbar, who included him among the Navaratnas, or the nine (nava) gems (ratna) of the royal court of Akbar.

Maharaja Jai Singh was a senior general of the Mughal Empire and a ruler of the kingdom of Amer. His predecessor was Raja Bhau Singh who ruled 1614-1621.

Bahadur Shah, also known as Muhammad Mu'azzam and Shah Alam, was the seventh Mughal emperor of India, ruled from 1707 until his death in 1712. In his youth, he conspired to overthrow his father Aurangzeb, the sixth Mughal emperor, and ascend to the throne. Shah's plans were intercepted by the emperor, who imprisoned him several times. From 1696 to 1707, he was governor of Akbarabad, Kabul and Lahore.

Justin I was the Eastern Roman emperor from 518 to 527. He rose through the ranks of the army to become commander of the imperial guard, and when Emperor Anastasius died he out-maneouvered his rivals and was elected as his successor, in spite of being almost 70 years old. His reign is significant for the founding of the Justinian dynasty that included his eminent nephew Justinian I and three succeeding emperors. His consort was Empress Euphemia.

Theodosius I, also called Theodosius the Great, was Roman emperor from 379 to 395. He is best known for making Christianity the state religion of the Roman Empire and great architecture projects in Constantinople.

Papa Eftim I, was a Turkish bishop, who was the first Turkish Orthodox Patriarch of the Autocephalous Turkish Orthodox Patriarchate, an unrecognised Orthodox Christian denomination, that he founded. Eftim I had strong influences from Turkish nationalist ideology. He ruled as Patriarch from 1923 until 1962, when he resigned due to ill health. Keeping the title of honorary patriarch, he ordained his younger son as patriarch assuming the name Papa Eftim II.

Shapur I, also known as Shapur the Great, was the second Sasanian King of Kings of Iran. The dating of his reign is disputed, but it is generally agreed that he ruled from 240 to 270, with his father Ardashir I as co-regent until the death of the latter in 242. During his co-regency, he helped his father with the conquest and destruction of Arab city of Hatra, whose fall was facilitated, according to Islamic tradition, by the actions of his future wife al-Nadirah. Shapur also consolidated and expanded the empire of Ardashir I, waged war against the Roman Empire and seized its cities of Nisibis and Carrhae while he was advancing as far as Roman Syria. Although he was defeated at the Battle of Resaena in 243 by Roman emperor Gordian III, he was the following year able to win the Battle of Misiche and force the new Roman Emperor Philip the Arab to sign a favorable peace treaty that was regarded by the Romans as "a most shameful treaty".