The couple had met on 22 August 1954 during the royal cruise of the Agamemnon, hosted by King Paul and Queen Frederica of Greece.

Alexander and Maria Pia have twin sons born in 1958: Another set of twins was born five years later, this time a girl and a boy: Alexander and Maria Pia divorced in 1967, and in 2003 she married Prince Michel of Bourbon-Parma, himself divorced from Princess Yolande de Broglie-Revel.

[1] After the war, he sought employment as a pilot joining British European Airways in 1951, and subsequently engaging also in many aeronautic competitions.

[6] On the occasion of Prince Alexander's 90th birthday on 13 August 2014, a celebration of his life in words and pictures appeared in that month's UK magazine Majesty.

He was buried at Oplenac, Serbia, with his parents and brother, his coffin being carried by Serbian Air Force fighter pilots.