Emily Jane Hughes-Hallett 
Her married name became Curtis-Bennett.
Child of Emily Jane Hughes-Hallett and Sir Henry Curtis-Bennett
Sir Richard O’Donnell, 4th Bt.1
He sold much of the family estates to meet debts.1 He made over the heirloom relic the Cathach to the Royal Irish Academy.1 He succeeded as the 4th Baronet O’Donnell [I., 1780] in 1828.1
Children of Sir Richard O’Donnell, 4th Bt. and Mary Clendining
- Sir George O’Donnell, 5th Bt.2 d. 1889
- Richard O’Donnell+2 d. b 1889
Mary Clendining1
Her married name became O’Donnell.
Children of Mary Clendining and Sir Richard O’Donnell, 4th Bt.
- Sir George O’Donnell, 5th Bt.2 d. 1889
- Richard O’Donnell+2 d. b 1889
Sir George O’Donnell, 5th Bt.1 
He succeeded as the 5th Baronet O’Donnell [I., 1780].1 On his death, his baronetcy became extinct.1
Richard O’Donnell1 
Child of Richard O’Donnell
Millicent Agnes O’Donnell1
Her married name became O’Donel.
Child of Millicent Agnes O’Donnell and Edwin O’Donel
- George O’Donel2 d. 1915
Edwin O’Donel1
His name was legally changed to Edwin O’Donel by Deed Poll.1 He was given the name of Edwin Thomas at birth.1
Child of Edwin O’Donel and Millicent Agnes O’Donnell
- George O’Donel2 d. 1915
George O’Donel1

He gained the rank of Lieutenant in the British Army.1 He fought in the First World War.1
