Contessa Teresa Guiccioli
Biography of Contessa Teresa Guiccioli
Teresa, Contessa Guiccioli (1800 – 1873) was the mistress of Lord Byron whilst he was living in Ravenna, Italy, and writing the first five cantos of Don Juan. She wrote the biographical account Lord Byron's Life in Italy.
Alexandre Dumas included her as a minor character in his novel The Count of Monte Cristo using the disguised name "Countess G-". Lord Byron also used this shortened name in his journals.