Overview
Prince Mirko Dimitri Petrović-Njegoš of Montenegro (; 17 April 1879 – 2 March 1918) was born in Cetinje, the second son of King Nicholas I of Montenegro and Milena Vukotić. Prince Mirko predeceased his father and his elder brother Crown Prince Danilo.
Marriage
On 25 July 1902, in Cetinje, Prince Mirko married Natalija Konstantinović (10 October 1882 in Trieste – 21 August 1950 in Paris), daughter of Colonel Alexander Konstantinović (1848-1914) and his wife, Milena Opuić from Trieste. She was paternal granddaughter of Aleksandar Konstantinović (1803-1858) and his wife, Princess Anka Obrenović (1 April 1821 – murdered, Belgrade, 10 June 1868), daughter of Jevrem Obrenović (1790 – 20 September 1856), younger brother of Miloš Obrenović I, Prince of Serbia, and wife (1816) Tomanija Bogicević (1796 – 13 June 1881).
The couple had five sons before divorcing in October 1917:
Prince Šćepac (Stephan) (27 August 1903 in Cetinje – 15 March 1908 in Cannes)
Prince Stanislaw (30 January 1905 in Cetinje – 4 January 1908 in Kotor)
Prince Michael (14 September 1908 in Podgorica – 24 March 1986 in Paris)
Prince Pavle (Paul) (16 May 1910 in Podgorica – June 1933)
Prince Emmanuel (10 June 1912 in Cetinje – 26 March 1928 in Biarritz).
Their eldest surviving son Prince Michael of Montenegro, succeeded Mirko in the Montenegrin royal succession and would become head of the House of Petrović-Njegoš and pretender to the Montenegrin throne.
From Wikipedia (CC BY-SA 4.0).