unknown Madden1
Her married name became O’Brien.
Child of unknown Madden and Timothy O’Brien
- Sir Timothy O’Brien, 1st Bt.+2 b. 1787, d. 3 Dec 1862
Sir Timothy O’Brien, 1st Bt.1 
He was a merchant at Dublin, County Dublin, Ireland.1 He held the office of Lord Mayor of Dublin in 1844.1 He held the office of Member of Parliament (M.P.) for Cashel between 1846 and 1859.1 He held the office of Lord Mayor of Dublin in 1849.1 He was created 1st Baronet O’Brien, of Merrion Square, Dublin and Borris-in-Ossory, Queen’s County [U.K.] on 25 September 1849, on the occasion of HM Queen Victoria’s first visit to Ireland.1 He held the office of Justice of the Peace (J.P.)1 He held the office of Deputy Lieutenant (D.L.)1
Children of Sir Timothy O’Brien, 1st Bt. and Catherine Murphy
- Timothy O’Brien+2 d. 25 Apr 1869
- John O’Brien1 d. Jan 1869
- Kate O’Brien1 d. 5 Jan 1894
- Ellen O’Brien1 d. 20 Dec 1899
- Sir Patrick O’Brien, 2nd Bt.2 b. 1823, d. 25 Apr 1895
Catherine Murphy1
From August 1821, her married name became O’Brien.
Children of Catherine Murphy and Sir Timothy O’Brien, 1st Bt.
- Timothy O’Brien+2 d. 25 Apr 1869
- John O’Brien1 d. Jan 1869
- Kate O’Brien1 d. 5 Jan 1894
- Ellen O’Brien1 d. 20 Dec 1899
- Sir Patrick O’Brien, 2nd Bt.2 b. 1823, d. 25 Apr 1895
Sir Patrick O’Brien, 2nd Bt.1 
He graduated with a Master of Arts (M.A.)1 He was a practising barrister.1 He held the office of Member of Parliament (M.P.) for King’s County between 1852 and 1885.1 He held the office of Justice of the Peace (J.P.)1 He held the office of Deputy Lieutenant (D.L.)1 He succeeded as the 2nd Baronet O’Brien, of Merrion Square, Dublin and Borris-in-Ossory, Queen’s County [U.K., 1849] on 3 December 1862.1
Ida Sophia Parlby1 
From before 1866, her married name became Perry.1 From 29 August 1866, her married name became O’Brien.
- [S37] BP2003 volume 2, page 2965. See link for full details for this source. Hereinafter cited as. [S37]
unknown daughter O’Brien1
- [S37] BP2003 volume 2, page 2040. See link for full details for this source. Hereinafter cited as. [S37]
Andrew Ferguson1
Children of Andrew Ferguson and Gemma Mary Soames
- Arthur Hugh Archie Ferguson1 b. 2 Sep 2013
- Walter Jeremy Sidney Ferguson1 b. 29 Jun 2016
- [S466] Notices, The Telegraph, London, UK. Hereinafter cited as The Telegraph.
Sybil Sabrina Ernestine von Hofmannsthal1
- [S1122] Peerage News, online http://peeragenews.blogspot.co.nz/. Hereinafter cited as Peerage News.
