Ivan Brajović
Ivan Brajović( Montenegrin Cyrillic: Иван Брајовић; born 9 March 1962) is a Montenegrin politician, current President of the Parliament of Montenegro and former Minister of Transport and Maritime Affairs in Government of Montenegro.
He is the founder and current president of the Social Democrats of Montenegro( SD).
Princess Anastasia of Greece and Denmark
Princess Anastasia of Greece and Denmark ("née" Nonie May Stewart; 20 January 1878 – 29 August 1923) was an American-born heiress and member of the Greek Royal Family.
She was married to Prince Christopher of Greece and Denmark, the youngest child of King George I of Greece and his consort, Grand Duchess Olga Constantinovna of Russia, but was created a princess "suo jure".
Princess Helen of Serbia
Princess Helen of Serbia and Yugoslavia (23 October (4 November New Style) 1884 – 16 October 1962) was the daughter of King Peter I of Yugoslavia and his wife Princess Zorka of Montenegro.
She was the elder sister of George, Crown Prince of Serbia and King Alexander I of Yugoslavia.
Helen was also a niece of Anastasia of Montenegro (or "Stana"), wife of Grand Duke Nicholas Nikolaevich of Russia, and of Milica of Montenegro, wife of Grand Duke Peter Nicolaievich of Russia, the women who introduced Grigori Rasputin to Tsarina Alexandra.
Dragan Kujović
Dragan Kujović( Montenegrin Cyrillic: Драган Кујовић)( 1948–2010) was a politician from the Republic of Montenegro and a member of the Democratic Party of Socialists of Montenegro.
He served as acting President of Montenegro from 19 May to 22 May 2003.
Princess Anastasia of Montenegro
Princess Anastasia Petrović-Njegoš of Montenegro (4 January 1868 in Cetinje, Montenegro – 25 November 1935 in Cap d'Antibes, France) was the daughter of King Nikola
I Petrović-Njegoš of Montenegro (1841–1921) and his wife, Milena Vukotić (1847–1923).
Through her second marriage, she became Grand Duchess Anastasia Nicholaievna Romanova of Russia.
She and her sister "Militza" (Princess Milica), having married Russian royal brothers, were known colloquially as the "Montenegrin princesses" during the last days of Imperial Russia, and may have contributed to its downfall by the introduction of Grigori Rasputin to the Empress Alexandra.
Milena of Montenegro
Milena Petrović-Njegoš (4 May 1848 – 16 March 1923) was the only Queen consort of Montenegro as the wife of King Nicholas I of Montenegro (28 August 1910 – 26 November 1918).
Theodred II (Bishop of Elmham)
Theodred II was a medieval Bishop of Elmham.
The date of Theodred's consecration unknown, but the date of his death was sometime between 995 and 997.
Francine, Princess of Montenegro
Princess Francine Petrović Njegoš of Montenegro( 27 January 1952 – 6 August 2008) was the wife of Prince Nicholas of Montenegro, the pretender to the throne of Montenegro.
Sergei Georgievich, 8th Duke of Leuchtenberg
Prince Sergei Georgievich Romanowsky, 8th Duke of Leuchtenberg (4 July 1890 – 7 January 1974) was the son of Prince George Maximilianovich Romanowsky, 6th Duke of Leuchtenberg and his second wife Princess Anastasia of Montenegro.
He succeeded his half-brother Alexander Georgievich as Duke of Leuchtenberg from 1942 until his death.
Princess Anastasia of Georgia
Princess Anastasia of Georgia (3 November 1763 – 17 May 1838) was a Georgian princess royal ("batonishvili"), a daughter of King Heraclius II of Georgia of his third marriage to Darejan Dadiani.
She was married into the princely family of Eristavi, former Ducal House of Ksani.

Question: What is the date of death of Princess Anastasia Of Montenegro's mother?
Answer: 16 March 1923