 She accused the Count of having married her for her money, and of having continued his affair with Infanta Eulalia.When the matter went to court, Marie's own scandalous past, as the unwed mother of a manservant's child, was revealed and thrown in her face; as a result, Marie's family suffered much public disgrace.In August the same year, while the case was still proceeding in court, Marie's youngest brother, the nineteen-year-old Duke Karl Borwin of Mecklenburg, felt moved to challenge his brother-in-law to a duel, supposedly in defence of Marie's honour.