Their Majesties

alternative initialism TM

1. pluralplural of Her Majesty and His Majesty

   The choir sings Agnus Dei, during which Their Majesties receive Holy Communion

   2023 May 6, “Coronation order of service in full”, in BBC, archived from the original on 06 May 2023

   3 more examples

   And we do hereby Recognize and Acknowledge, That Their Majeſties William and Mary, are, and as of Right they ought to be by the Laws of the Realm of England, our Leige Lord and Lady, King and Queen of England, France and Ireland, and the Dominions thereunto belonging, &c.

   1719, Acts of Assembly passed in the Province of New York from 1691 to 1718, page 1

   He assisted at the coronation of Their Majesties William and Mary; and sailed with the king, as captain of the guards, to Ireland, where he proved his courage at the battle of the Boyne.

   1806, A Biographical History of England, from the Revolution to the End of George I's Reign, page 29

   […]; by appointment of Their Majesties, William and Mary, February 6, 1690, the founder and trustee of William and Mary College; and by appointment of His Majesty William III, Escheator-General for the south side of the James River.

   1910, Ancestral Records and Portraits, page 751