Cornelius de Witt1 
Child of Cornelius de Witt and Pauline Guizot
- [S1401] Christopher Quaile, “re: Lord Bowen,” e-mail message to British and European Nobility Register. Hereinafter cited as “re: Lord Bowen.”
Elizabeth Plunkett1
Her married name became Barnewall. After her marriage, Elizabeth Plunkett was styled as Baroness Trimlestown in 1472.
Child of Elizabeth Plunkett and Christopher Barnewall, 2nd Baron Trimlestown
- John Barnewall, 3rd Baron Trimlestown+2 d. 25 Jul 1538
John Barnewall, 3rd Baron Trimlestown1 
He succeeded as the 3rd Baron Trimlestown, of Trimlestown, co. Meath [I., 1461] in June 1513.1 He was appointed Knight before January 1513/14.1 He held the office of Second Judge of the King’s Bench [Ireland] in January 1513/14.1 He was appointed Privy Counsellor (P.C.) [Ireland] on 21 December 1521.1 He held the office of Vice-Treasurer [Ireland] in 1522.1 He held the office of High Treasurer [Ireland] between 1524 and 1530.1 In 1532 he was granted 136 acres in Dunleer to hold as the Manor of Trim.1 He held the office of Lord Chancellor [Ireland] in 1534.1
Child of John Barnewall, 3rd Baron Trimlestown
Child of John Barnewall, 3rd Baron Trimlestown and Genet Bellew
- Patrick Barnewall, 4th Baron Trimlestown+2 d. fr 28 Aug 1561 – 6 Mar 1562/63
Genet Bellew1
Her married name became Barnewall.
Child of Genet Bellew and John Barnewall, 3rd Baron Trimlestown
- Patrick Barnewall, 4th Baron Trimlestown+2 d. fr 28 Aug 1561 – 6 Mar 1562/63
Patrick Barnewall, 4th Baron Trimlestown1 
He succeeded as the 4th Baron Trimlestown, of Trimlestown, co. Meath [I., 1461] on 25 July 1538.1 He was appointed Privy Counsellor (P.C.) [Ireland] before October 1539.1
Children of Patrick Barnewall, 4th Baron Trimlestown and Catherine Taylor
- Peter Barnewall, 6th Baron Trimlestown+2 d. 14 Apr 1598
- Robert Barnewall, 5th Baron Trimlestown2 d. 27 Oct 1573
Catherine Taylor1
Her married name became Delahyde.1 Her married name became Barnewall. After her marriage, Catherine Taylor was styled as Baroness Trimlestown on 25 July 1538.
Children of Catherine Taylor and Patrick Barnewall, 4th Baron Trimlestown
- Peter Barnewall, 6th Baron Trimlestown+2 d. 14 Apr 1598
- Robert Barnewall, 5th Baron Trimlestown2 d. 27 Oct 1573
Robert Barnewall, 5th Baron Trimlestown1 
He succeeded as the 5th Baron Trimlestown, of Trimlestown, co. Meath [I., 1461] on 6 March 1562/63.1 He was appointed Privy Counsellor (P.C.) in March 1563/64.1 He was appointed Knight in 1566.1
Amy Fyan1
From 1559, her married name became Barnewall. After her marriage, Amy Fyan was styled as Baroness Trimlestown on 6 March 1563.