The child(ren) of the Crown may be styled as “Prince Royale”, “Princess Royal”, or “Heir Royale” for the duration of Their reign. The appropriate honorific for a Royale is “Highness” (whereas “Royal Highness” refers to the Heirs to the Crown).

Child(ren) of the Crown are defined as the biological, step, or adopted offspring, or other minors for whom the Sovereign and/or Consort have legal guardianship during Their reign.

Upon completion of the reign, the child(ren) of the Crown are recognized with an augmentation of arms and return to their previous honorific. The augmentation shall be an acorn proper.