Her brother Robert, 2nd Earl of Northington, died unmarried in 1786, and the earldom and subsidiary title of Baron Henley in the Peerage of Great Britain had become extinct.

[5] Robert was educated at Eton College, and matriculated at Christ Church, Oxford in 1807, graduating B.A.

Frederick Eden, a barrister and heir to their father's barony, died unmarried at his chambers at Inner Temple.

[8] In 1830, he succeeded his father as second Baron Henley, but as this was an Irish peerage it did not entitle him to a seat in the House of Lords.

They had four sons, two of whom survived to adulthood:[9] After several months of illness, Lord Henley died in February 1841, aged 51, at his home at 19 Whitehall Place, Westminster, and was succeeded in the barony by his eldest surviving son, Anthony.