Richard Wellesley, the son of
Garret Wesley, 1st Earl of Mornington, met Rolland at the
Palais-Royal where she was an actress known as
Gabrielle Fagan. She spoke no English at the time; however, she and Wellesley lived together for eight years without marrying. In 1781, Richard Wellesley succeeded as 2nd Earl of Mornington. Rolland and Wellesley married on 29 November 1794 at
St George's, Hanover Square, London. • Rev. Henry Wellesley (1794–1866), Principal of
New Inn Hall, Oxford. Rolland became the Countess of Mornington upon marriage, but she was a social outcast, though Wellesley's mother,
Anne, was eventually persuaded to receive her. In 1799, Wellesley was created the 1st Marquess Wellesley, making Rolland a marchioness. However, this elevation did not change her social standing. Even the famously casual
Viscountess Melbourne refused to call on Rolland. The Viscountess Melbourne scolded her daughter-in-law,
Lady Caroline Lamb, severely for doing so, writing of Caroline's friendship with Rolland: "you are the only woman with any pretensions to character who ever courted Lady Wellesley's acquaintance". == Separation and death ==