William Petre, 11th Baron Petre English Baron (1793-1850) (1793–1850) Parents Mary Bridget Howard Robert Petre, 10th Baron Petre Children Frederick Petre Agnes Petre Charlotte Eliza Petre Arthur Petre Edmund Petre Mary Agnes Petre Albert Petre William Petre, 12th Baron Petre Henry Petre Siblings Elizabeth Anne Mary Petre Arabella Petre Charles Berney Petre Juliana Anne Petre Maria Juliana Petre Anna Maria Petre Partners Frances Charlotte Bedingfeld Emma Howard