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 Milena Opuić from
Trieste. She was the granddaughter of Aleksandar Konstantinović (1803–1858) and
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 (1816), and 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), he married in Paris on 27 January 1941 Geneviève Denise Charlotte Prigent (4 December 1919, in Saint-Brieuc – 26 January 1990, in Lannion), second daughter of Dr. François Marie Prigent (Fontenay-sous-Bois, 8 March 1883 - Saint-Brieuc, 20 August 1947). They had one son: •
Nicholas, Prince of Montenegro On 27 November 1976 in Trébeurden, Côtes-du-Nord, he married Francine Navarro (Casablanca, 27 January 1950 – Paris, 6 August 2008). They had two children: • Princess Altinaï of Montenegro, born at Les Lilas,
Seine-Saint-Denis on 27 October 1977. She is a filmmaker and married Russian violinist Anton Martynov on 12 May 2009. They had one son: • Nikolai Martynov (born 30 September 2009) • Boris, Hereditary Prince of Montenegro, Grand-Duke (Voivode) of Grahovo and
Zeta, born at Les Lilas on 21 January 1980. He is a creative director at Renault France and married architect Véronique Haillot Canas da Silva (b. São Sebastião da Pedreira, Lisbon, 27 July 1976; daughter of António Canas da Silva and Anne Haillot) on 12 May 2007. They have two daughters: • Miléna (b. Maternité des Lilas, Seine-Saint-Denis, France, 11 February 2008) • Antonia (b. 2013) • 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. ==Serbian throne==