After the fall of the monarchy in Yugoslavia, Prince Andrew went into exile in London, where, after graduating in mathematics from Clare College, Cambridge University, he became an insurance broker.

[2] On 2 August 1956, he married his third cousin once removed Princess Christina of Hesse (10 January 1933 – 21 November 2011), in Kronberg im Taunus, Germany.

[citation needed] On 18 September 1963, he married his second cousin Princess Kira Melita of Leiningen (18 July 1930 – 24 September 2005), daughter of Karl, Prince of Leiningen, and Grand Duchess Maria Kirillovna of Russia.

[3] Andrej married thirdly Eva Maria Anđelković, (26 August 1926 – 13 December 2020) on 30 March 1974 in Palm Springs, California, USA.

They remained there until 2013, when they were returned to Serbia and buried in Saint George's Church, Oplenac, on 26 May 2013.