Antonia de Sancha
 Antonia de Sancha (born 14 September 1961 in Hammersmith London) is an English actress and businesswoman best known as the former mistress of British Conservative Member of Parliament and Cabinet minister David Mellor which became public knowledge in 1992.She is the daughter of a Spanish film producer father who died in the mid-1980s and a Swedish mother who suffering from severe depression committed suicide 18 months later shortly before her daughter began studies at the Royal Academy of Dramatic Art. 