In 1935, the head of the Metropolitan Police Special Branch told the Metropolitan Police Commissioner that Wallis was also having an affair with Guy Marcus Trundle, who was "said to be employed by the Ford Motor Company".
En 1935, o xefe da Sección Especial da Policía Metropolitana de Londres informou o comisionado de que Wallis tamén tiña un romance con Guy Marcus Trundle, que "se dicía era empregado da Ford Motor Company".