Caroline Jane Millar, the new Australian ambassador to the EU, Nato, Belgium and Luxembourg, with her husband and Grand Duke Henri on Wednesday 16 March. Maison du Grand-Duc

Caroline Jane Millar, the new Australian ambassador to the EU, Nato, Belgium and Luxembourg, with her husband and Grand Duke Henri on Wednesday 16 March. Maison du Grand-Duc

Grand Duke Henri accepted letters of credence from five new ambassadors to the Luxembourg on Wednesday.

Among the five new chief diplomats was Caroline Jane Millar, the new ambassador to Luxembourg the European Union, the North Atlantic Treaty Organization and Belgium.

Millar, a graduate of Cambridge University, was deputy head of mission of the Australian Embassy in Washington from 2014 to 2017 and has also served as the Permanent Representative to the United Nations in Geneva and was briefly the acting-head of mission of the Australian permanent mission to the United Nations in New York. Millar, who most recently was deputy secretary for national security and international policy in the department of the prime minister and cabinet in Canberra, will be based in Brussels.

Other new ambassadors who met the grand duke on Wednesday include Hernán Enrique Ponce Aray representing Ecuador, Franco Coppola representing The Holy See, Haji Adnan bin Haji Mohd Ja'afar for Brunei, and Dr. Badr Ahmed Mohamed Abdelatt representing Egypt.