See also
1. Sir Lucius William O'BRIEN, son of Edward Donough O'BRIEN (1839-1900) and Emily A'COURT ( - ), was born on 21 June 1864. He had the title '15th Baron Inchiquin'. He died on 9 December 1929. He married Ethel Jane FOSTER.
Ethel Jane FOSTER and Lucius William O'BRIEN had the following children:
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2. Donough Edward Foster O'BRIEN, son of Sir Lucius William O'BRIEN and Ethel Jane FOSTER, was born on 5 January 1897. He had the title '16th Baron Inchiquin'. He died in 1968.