 Serres stated that she was the only child of this marriage and that her mother had died "of a broken heart" on the Duke of Cumberland's "second" and "bigamous" marriage to Anne Horton.Serres managed to enlist the support of a Member of Parliament, and the issue was debated in the House of Commons, but her claims were dismissed.The documents produced by Serres were determined to be forgeries, and evidence was provided that Wilmot was in Oxford, as a Fellow of his college, at the time he was supposed to have conducted the marriage and signed the document.