 Over seventy of her drawings, preserved at the Hispanic Society of America, were once attributed to Goya but, in 1956, the art historian demonstrated conclusively that they were hers.She was born in Madrid, the daughter of Leocadia Zorrilla and, according to baptismal documents, her husband of seven years, Isidore Weiss, a German-Jewish jeweler whose family lived in Madrid.However, in 1811, Weiss had sworn out a legal complaint accusing Leocadia of "illicit conduct".