Rosa was the daughter of Vincenzo Timei but her mother is unknown. The date and place of her birth have not been found.
Her husband was Domenico Corona. They were married, but the date and place have not been found. Their five known children were Elvira Anna (1866-1940), Elisa (1869-?), Luigi Alessandro Carmine (1871-?), Giuseppina (1873-1900) and Vincenzo (1877-1877).