The painter, Ann Agnes Trail or Agnes Xavier Trail (17 February 1798 – 3 December 1872) was a British Roman Catholic nun and artist. She took a leading role in establishing St Margaret's Convent in Edinburgh.
Source: https://en.wikipedia.org/wiki/Ann_Agnes_Trail
Carlo Odescalchi, (5 March 1785 – 17 August 1841) was an Italian prince and priest, Archbishop of Ferrara, cardinal of the Catholic Church and Vicar General of the Diocese of Rome. For years a close collaborator of popes Pius VII and Gregory XVI, in 1838 he renounced his titles in order to become a Jesuit.
Source: https://en.wikipedia.org/wiki/Carlo_Odescalchi