How To Marry A Girl Without Her Knowing About It.
I’m sure this has been exploited in some way before.
A proxy marriage is a marriage in which either the bride or the groom is not physically present for the wedding. During the solemnization of the marriage, based upon a power of attorney, a stand-in, or proxy, acts on behalf of one of the parties. If neither party is present, it is called a Double-proxy Marriage.
A relevant website.