A royal wedding proposal is one which is made by a member of a royal family. It must be dignified but stateliness can be eschewed for the occasion. The royal wedding proposal must be sincere and muted. However, depending on the temperament of the proposer a royal wedding proposal can be more effusive.
Sample Royal Wedding Proposal
My beloved Althea,
I just want to say to you that I love you with my whole heart. I want to marry you, but first I must point out the drawbacks of becoming a royal b...