Nguyễn Phúc Luân
Nguyễn Phúc Luân or Nguyễn Phúc Côn( 阮福㫻, 1733 – 1765) was a son of lord Nguyễn Phúc Khoát and father of Nguyễn Phúc Ánh( future emperor Gia Long of Vietnam).
Đào Duy Từ
Đào Duy Từ( 1572 – 1634) was a Vietnamese scholar, poet, military adviser, and mandarin who served under the reign of Nguyễn lord Nguyễn Phúc Nguyên.
Minh Mạng
Minh Mạng (lit. "the bright favour of Heaven"; 25 May 1791 – 20 January 1841; born Nguyễn Phúc Đảm, also known as Nguyễn Phúc Kiểu) was the second emperor of the Nguyễn dynasty of Vietnam, reigning from 14 February 1820 until his death, on 20 January 1841.
He was the fourth son of Emperor Gia Long, whose eldest son, Nguyễn Phúc Cảnh, had died in 1801.
He was well known for his opposition to French involvement in Vietnam and his rigid Confucian orthodoxy.
Thiệu Trị
Thiệu Trị( lit." inheritance of prosperity"; 6 June 1807 – 4 November 1847), personal name Nguyễn Phúc Miên Tông or Nguyễn Phúc Tuyền, was the third emperor of the Nguyễn Dynasty.
He was the eldest son of Emperor Minh Mạng, and reigned from 14 February 1841 until his death on 4 November 1847.
Nguyễn Phúc Miên Trinh
Nguyễn Phúc Miên Trinh( 3 February 1820 – 18 November 1897), born Nguyễn Phúc Thư( 阮福書), was a prince of Nguyễn dynasty, Vietnam.
Nguyễn Phúc Miên Thẩm
Nguyễn Phúc Miên Thẩm( 11 December 1819 – 30 April 1870), courtesy name" Trọng Uyên"( 仲淵), pseudonym" Bạch Hào Tử"( 白毫子), was a prince of Nguyễn dynasty, Vietnam.
Nguyễn Phúc Miên Bửu
Nguyễn Phúc Miên Bửu (30 May 1820 – 8 March 1854) was a prince of Nguyễn dynasty, Vietnam.
He was the twelfth son of Minh Mạng, and his mother was Hồ Thị Tùy.
In 1843, he was granted the title Tương An Công (襄安公, "Duke of Tương An") by Emperor Thiệu Trị, and became the teacher of two princes, Nguyễn Phúc Hồng Bảo and Nguyễn Phúc Hồng Nhậm (later Emperor Tự Đức).
Hồng Bảo disliked studying, so Thiệu Trị did not like him, and lost his succession of the throne.
Thiệu Trị died in 1847, and appointed
Hồng Bảo's younger brother Hồng Nhậm as successor.
In 1854, Hồng Bảo plotted a rebellion against Tự Đức and was forced to commit suicide.
Miên Bửu was suspected of taking in this plot, but there was no evidence.
Feeling sad for the fate of
Hồng Bảo
, he died in the same year.
Finally, Tự Đức decided to pardon him, and granted him the title Tương An Quận Vương (襄安郡王, "Provincial Prince of Tương An") in 1878 posthumously.
Miên Bửu was good at writing Vietnamese poetry.
He and Nguyễn Phúc Miên Thẩm (Prince of Tùng Thiện)
, Nguyễn Phúc Miên Trinh (Prince of Tuy Lý), were known as "Tam Đường" (三堂) of Nguyễn dynasty.
He was a member of "Mạc Vân thi xãMạc Vân Poetry Society").
Nguyễn Phúc Miên Định (Prince of Thọ Xuân)
, Nguyễn Phúc Miên Thủ (Prince of Hàm Thuận), Nguyễn Phúc Miên Thẩm (Prince of Tùng Thiện)
, Nguyễn Phúc Miên Trinh (Prince of Tuy Lý), Nguyễn Phúc Miên Triện (Prince of Hoằng Hóa), Nguyễn Văn Siêu, Cao Bá Quát, Hà Tôn Quyền, Phan Thanh Giản and Nguyễn Đăng Giai were also members of this poetry society.
Trương Phúc Loan
Trương Phúc Loan( ?–1776) was a mandarin who served under the reign of two Nguyễn lords: Nguyễn Phúc Khoát and Nguyễn Phúc Thuần.
In 1765, Nguyễn Phúc Khoát died, and appointed his second son Nguyễn Phúc Luân as successor.
But Loan changed the lord's will and throned Nguyễn Phúc Thuần the new lord.
Then, Luân was imprisoned and murdered.
Trương Phúc Loan served as regent during Nguyễn Phúc Thuần's reign.
He was so unpopular that people compared him with Qin Hui( 秦檜), a chancellor of the Song China, so he got the nickname" Trương Tần Cối"( 張秦檜).
In order to remove Trương Phúc Loan, Tây Sơn brothers rebelled in 1771, and they said they would enthrone Nguyễn Phúc Dương, the eldest grandson of Khoát.
Southern Vietnam felt into chaos.
Hearing the news, Trịnh Sâm, the lord of northern Vietnam, sent Hoàng Ngũ Phúc marched south in 1774, using the excuse that they would help Nguyễn lord to arrest the treacherous minister Trương Phúc Loan.
When Trịnh army reached Phú Xuân, Loan was arrested by Nguyễn officials and presented to Trịnh army.
He was taken to Thang Long, and died on the halfway.
Nguyễn Phúc Miên Định
Nguyễn Phúc Miên Định( 阮福綿定, 5 August 1810 – 5 November 1886), born Nguyễn Phúc Yến( 阮福宴), was a prince of Nguyễn dynasty, Vietnam.
Thừa Thiên (empress)
Empress Thừa Thiên( 1762–1814), born Tống Phúc Thị Lan( 宋福氏蘭), was the first wife of Nguyễn Phúc Ánh( future Emperor Gia Long) and mother of Crown Prince Nguyễn Phúc Cảnh.
She was a daughter of general Tống Phước Khuông of Nguyễn lords.
Nguyễn
Ánh married her when he was at the age of 18.
Empress Thừa Thiên had two sons with Gia Long: Nguyen Phuc Chieu( who died after several days) and Crown Prince Nguyễn Phúc Cảnh.
After her death, she was buried at Gia Long's Thiên Thọ tomb, alongside the Emperor.

Question: When did Nguyễn Phúc Miên Bửu's father die?
Answer: 20 January 1841