Junius Spencer Morgan I (April 14, 1813 – April 8, 1890) was an American banker and financier, as well as the father of John Pierpont "J.P." Morgan and patriarch to the Morgan banking house. In 1864, he established J. S. Morgan & Co. in London as the successor to George Peabody & Co., of which he was junior partner.
Junius Spencer Morgan III (March 15, 1892 – October 19, 1960) was an American banker and a director of the Morgan Guaranty Trust Company.  Early life[ edit] Junius Spencer Morgan III was born on March 15, 1892, to Jane Norton Grew and Jack Morgan (1867–1943), who was a banker and the son of J. Pierpont Morgan (1837–1913), the renowned financier.
Junius Spencer Morgan II was born on June 5, 1867 in Irvington, New York to George Hale Morgan (1840–1911) and Sarah Spencer Morgan (1839–1896), distant cousins. His mother and her brother, John Pierpont Morgan, were two of the five children born to Junius Spencer Morgan (1813–1890), his grandfather, and Juliet Pierpont (1816–1884), the daughter of John Pierpont (1785–1866).
Junius Spencer Morgan was educated at St. Paul's School, Concord, New Hampshire, before attending Princeton. After college, Junius Morgan worked as a New York banker, retiring from the field as a partner in the firm of Cuyler, Morgan & Co. in 1906. Between 1898 and 1908, he served as Associate University Librarian at Princeton, a period during which the Library greatly enlarged and transformed into a research library.
Junius Spencer Morgan (April 14, 1813 — April 8, 1890) was an American banker and financier, born at West Springfield (now Holyoke), Massachusetts, USA. Career He began his business career in 1829 by entering the employ of Alfred Welles of Boston. In 1836, he married John Pierpont Morgan's mother, Juliet.
In the 1870's, Morgan had his genealogy researched and was led to believe that his mother, Sally Spencer, and the Fifth Duchess of Devonshire, Georgiana Spencer were distant cousins. With this, Morgan began an 25-year obsession and a chase for rightful ownership the Thomas Gainsborough's portrait of Georgiana Spencer.
The son of a successful financier, Junius Spencer Morgan (1813–90), John Pierpont Morgan was educated in Boston and at the University of Göttingen. He began his career in 1857 as an accountant with the New York banking firm of Duncan, Sherman and Company, which was the American representative of the London firm George Peabody and Company. In 1861 Morgan became the agent for his father’s banking company in New York City.
When Junius Spencer Morgan III was born on 15 March 1892, in London, England, United Kingdom, his father, John Pierpont "Jack" Morgan Jr., was 24 and his mother, Jane Norton Grew, was 23. He married Emma Louise Converse on 16 June 1915, in Saint Pauls Episcopal Church, Millis, Norfolk, Massachusetts, United States.
Morgan Great Hall This space is the centerpiece of the Junius Spencer Morgan Memorial building, a gift from J. Pierpont Morgan in memory of his father. On June 26, 1915, Morgan Great Hall—then called Tapestry Hall—was opened to the public, decorated with sculpture from the collection and tapestries on loan from J. P. Morgan, Jr., a museum trustee.
Junius Spencer (J. S.) Morgan, Joseph III's son, played a prominent role in the banking industry. From a young age, he showed interest in entering the business field like his father. In 1829, at the age of 15, he worked as an apprentice with a merchant, Alfred Welles, in Boston. Following that, he worked at some firms including: