With the 1974 Greek republic referendum and Article 4 of the Constitution of Greece, all family members have been stripped of their honorific titles and the associated royal status.

The London Conference of 1832 had prohibited any of the Great Powers' ruling families from accepting the crown of Greece, while Queen Victoria was opposed to such a prospect.

The shield also has the Order of the Redeemer, while the royal motto reads " Ἰσχύς μου ἡ ἀγάπη τοῦ λαοῦ" ("The people's love is my strength").

After a reign of almost fifty years, George I was succeeded by his eldest son, Constantine I, who had married in 1889, Princess Sophia of Prussia, a granddaughter of Queen Victoria and sister of Kaiser Wilhelm II.

Following the National Schism during World War I and the subsequent Asia Minor Disaster, the monarchy was deposed in March 1924 and replaced by the Second Hellenic Republic.

[citation needed] In October 1935, General Georgios Kondylis, a former Venizelist, overthrew the government and arranged for a referendum on restoring the monarchy.

Less that a year later, on 4 August 1936, George II endorsed the establishment of a quasi-fascist dictatorship led by veteran army officer Ioannis Metaxas.

[13] On 21 April 1967, the elected government of Greece was overthrown by a group of middle-ranking army officers led by Colonel Georgios Papadopoulos, and a military dictatorship was established.

The dictatorship nominally retained the monarchy but on 1 June 1973, Constantine II was declared "deposed," and Papadopoulos appointed himself "President of the Republic".

Its resolution, with the recognition of Greek citizenship for Constantine's children and grandchildren on 20 December 2024, has smoothly closed the last open issue of the Metapolitefsi's period in Greece.

"[23] The declaration was finally made on 19 December 2024, when 10 members of the former royal family, (Contantine's children Alexia, Pavlos, Nikolaos, Theodora, Philippos) and (Pavlos children: Maria-Olympia, Constantine-Alexios, Achileas Andreas, Odysseas-Kimon, and Aristides-Stavros) to the "Registrar of births, marriages and deaths" of Athens in which they expressly and unconditionally declared their respect for the Constitution, their recognition of the Presidential parliamentary republic and the result of the referendum of 8 December 1974, and their renunciation of all claims of any kind in connection with any past political office or the possession of any title, as well as the renunciation of all claims of any kind connected with the past holding of any political office or the possession of any title.

In particular, the constitutionalist and PASOK mp Panagiotis Doudounis believes that this choice of surname is an "indirect non-recognition of the existing state regime".

The same opinion was expressed by Syriza, which stated that the Greek legal system does not recognize "titles of nobility", which is what the specific adjective is trying to imply.

Constantine disagreed with the content of the law and began a legal battle that ended in 2002 with the decision of the European Court of Human Rights.

[28] With the sole exception of Aspasia Manos (the consort of King Alexander) and her daughter Princess Alexandra of Greece and Denmark, as well as descendants from non-dynastic marriages,[29] none of the members were ethnically Greek.