Lady Mary Bligh (died 1791) (d. 1791) Parents Theodosia Bligh, 10th Baroness Clifton John Bligh, 1st Earl of Darnley Children Edward Tighe William Tighe Richard William Tighe Theodosia Blachford Siblings Lady Theodosia Bligh George Bligh Edward Bligh, 2nd Earl of Darnley Lady Ann Bligh John Bligh, 3rd Earl of Darnley Partners Sir Lawrence Palk, 2nd Baronet William Tighe