Nicholas Bagration of Mukhrani
Prince Nicholas Bagration of Mukhrani( 1807- 1864) was a Georgian nobleman of the House of Mukhrani.
Prince Nicholas was son of Prince Edisher Bagration of Mukhrani( born 1787) descended from Prince Constantine I of Mukhrani.
On 11 November 1823 Prince Nicholas married Princess Tamar Jorjadze( 1813- 1878) and had 12 children:
Prince Nicholas died on 10 May 1864.
Niko Bagrationi
" the Boer" was his grandson.
George Nikolaevich Bagration
Prince Giorgi Nikolozis dze Bagration of Mukhrani( 1834- 1882) was a Georgian nobleman of the House of Mukhrani.
Prince George was son of Prince Nicholas Bagration of Mukhrani and Princess Tamar Jorjadze.
George married Ekaterine Aleksi- Meskhishvili( 1845- 1905) and they had 17 children:
Irakli Bagration of Mukhrani (1813–1892)
Prince Irakli Konstantines dze Bagration of Mukhrani( 1813- 1892) was a Georgian nobleman of the House of Mukhrani.
Son of Constantine IV of Mukhrani and Khoreshan Guramishvili( 1786-1831).
In 1848 Irakli married Princess Ketevan Argutinsky- Dolgorukov.
They were parents of 8 children:
George Bagration of Mukhrani
George Bagration of Mukhrani or Giorgi Bagration-Mukhraneli  (16 July 1884 – 29 September 1957) was a Georgian nobleman, and a titular head of the House of Mukhrani, a collateral branch of the former royal dynasty of Bagrationi.
George was born in St. Petersburg, Russian Empire, the son of Prince Alexander Bagration of Mukhrani and Princess Maria née Golovatcheva.
He was educated at the Page Corps.
He married, in 1908, Helena Sigismundovna," née" Złotnicka-Nowina (1886–1979), whose Georgian mother Princess Mariam Eristavi of Ksani, was a remote descendant of the 18th-century Georgian king Erekle II.
George Bagration served as a marshal of the Council of Nobility of Dusheti in Georgia from 1916 to 1917.
After the Russian Revolution of 1917, he hailed independent Georgia and fought against the Bolsheviks during the Russian Civil War.
George chose to stay in Georgia rather than follow his wife and children in exile following the Sovietization of the country in 1921.
He was, nevertheless, arrested by the Soviet authorities in 1930, but was soon released through the efforts of the Russian writer Maxim Gorky.
George Bagration left the Soviet Union and joined his family in their European exile.
He finally settled in Spain in 1944.
His son, Irakli, was energetically involved in Georgian political émigré activities.
One of his daughters, Leonida, married
Vladimir Cyrillovich Romanov, Pretender to the Russian throne; the other, Maria, homesick, returned to Soviet Georgia, but was arrested in 1948 and had to spend eight years in exile in Magadan.
She died in Tbilisi in 1992.
George Bagration of Mukhrani died in Madrid, Spain, in 1957.
His remains were brought back to Georgia by his grandson Jorge de Bagration in 1995 and interred at the Cathedral of Living Pillar at Mtskheta.
Grigol Bagration of Mukhrani
Prince Grigol Bagration of Mukhrani  (1787—1861) was a Georgian nobleman of the House of Mukhrani.
Major-General and participant of Russo-Turkish War (1828–29), Russo-Persian War
(1826–28) and Caucasian War.
Recipient of Order of St. George in 1847.
Prince Grigol was son of Ioane I, Prince of Mukhrani and was born in 1787.
Prince Grigol married Princess Mariam Tsereteli but had no children.
Died on 26 February 1861.
Prince Ivane Bagration of Mukhrani was his nephew.
Ioane, Prince of Mukhrani
Ioane ("Ioane Mukhranbatoni") (12 December 1755 – 1 October 1801) was a Georgian diplomat and military commander.
As the head of the Mukhrani branch of the royal Bagrationi dynasty of Kartli, he was Prince ("batoni") of Mukhrani and "ex officio" commander of the Banner of Shida Kartli and Grand Master of the Household ("msakhurt-ukhutsesi") at the court of Georgia from 1778 to 1801.
Ugo Bagration
Guram" Ugo" Bagration( born 14 February 1985) is a Georgian prince(" tavadi") of the House of Mukhrani.
Ugo is an only son of Jorge de Bagration from his second marriage to Doña Nuria Llopis y Oliart( born 1953 in Barcelona).
He is a half- brother of Prince David Bagration of Mukhrani and uncle and godfather of Prince Giorgi Bagration Bagrationi.
Ivane Bagration of Mukhrani
Ivane Bagration of Mukhrani(" Ivane MukhranbatoniIvan Konstantinovich Bagration- Mukhransky")
( February 7, 1812 – March 11, 1895) was a Georgian nobleman of the House of Mukhrani, and general in the Imperial Russian service.
He was one of the biggest Georgian landowners of that time and a modernizer of winemaking industry.
Iese, Prince of Mukhrani
Iese Mukhranbatoni( died 1716) was a Georgian nobleman of the House of Mukhrani, a collateral branch of the royal Bagrationi dynasty of Kartli.
He was Prince(" batoni") of Mukhrani and" ex officio" commander of the Banner of Shida Kartli and Grand Master of the Household(" msakhurt -ukhutsesi") at the court of Kartli c. 1700.
Iese was a son of Ashotan II, Prince of Mukhrani, and succeeded his cousin Constantine II, Prince of Mukhrani.
Ashotan had a son, Ashotan( died 1750)
Konstantine Bagration of Mukhrani (1838–1903)
Konstantine" Kote" Bagration of Mukhrani(" Konstantine
[ Kote] Mukhranbatoni"; 24 December 1838 – 2 May 1903) was a Georgian nobleman, of the House of Mukhrani, and a military officer in the Imperial Russian service.
Konstantine was born into the family of General Prince Ivane Bagration of Mukhrani and his wife, Princess Nino née Dadiani.
Like his father, whom he succeeded as the head of the House of Mukhrani, Konstantine was a military officer in the Russian service.
He took part in the Crimean and Caucasian wars and rose to a regimental commander in the Russo- Turkish War( 1877 – 78).
Afterwards, he retired with the rank of major- general and returned to a legacy of his father as a landowner and entrepreneur.
Also, he was elected as Marshal of Nobility of the Tiflis Governorate from 1895 to 1901.
In 1895, he, further, was granted the title of" Jägermeister Master of the Hunt") at the Imperial Russian court and periodically lived in St. Petersburg.
He provided financial support to several Georgian cultural institutions, such as the projected Georgian University, and scholarships for Georgian students in various Russian academia.

Question: When did Grigol Bagration Of Mukhrani's father die?