Piers Butler, 2nd Baron Dunboyne1 
He succeeded as the 2nd Baron Dunboyne [I., 1324] on 9 October 1329.1 In 1366 he was called to the Irish Parliament.1
Children of Piers Butler, 2nd Baron Dunboyne and Catherine de Burgh
- Nicholas Butler1
- Richard Butler1
- Thomas ‘MacPiarais’ Butler, 3rd Baron Dunboyne1 b. 1354, d. b 7 Nov 1370
- William Butler, 4th Baron Dunboyne+1 b. a 1355, d. 1406
- [S37] BP2003 volume 1, page 1211. See link for full details for this source. Hereinafter cited as. [S37]
unknown son de Burgh1
Child of unknown son de Burgh
- [S37] BP2003 volume 1, page 1211. See link for full details for this source. Hereinafter cited as. [S37]
Catherine de Burgh1
From before 1353, her married name became Butler.
Children of Catherine de Burgh and Piers Butler, 2nd Baron Dunboyne
- Nicholas Butler1
- Richard Butler1
- Thomas ‘MacPiarais’ Butler, 3rd Baron Dunboyne1 b. 1354, d. b 7 Nov 1370
- William Butler, 4th Baron Dunboyne+1 b. a 1355, d. 1406
- [S37] BP2003 volume 1, page 1211. See link for full details for this source. Hereinafter cited as. [S37]
Thomas ‘MacPiarais’ Butler, 3rd Baron Dunboyne1 
Thomas ‘MacPiarais’ Butler, 3rd Baron Dunboyne also went by the nick-name of Thomas ‘MacPiarais’ (or in English, ‘Pierson.1‘) He succeeded as the 3rd Baron Dunboyne [I., 1324] on 5 August 1370.1
- [S37] BP2003 volume 1, page 1211. See link for full details for this source. Hereinafter cited as. [S37]
Nicholas Butler1 
- [S37] BP2003 volume 1, page 1211. See link for full details for this source. Hereinafter cited as. [S37]
Richard Butler1 
- [S37] BP2003 volume 1, page 1211. See link for full details for this source. Hereinafter cited as. [S37]
William Butler, 4th Baron Dunboyne1 
He succeeded as the 4th Baron Dunboyne [I., 1324] in November 1376.1 He held the office of Seneschal liberty of Tipperary in 1383.1
Children of William Butler, 4th Baron Dunboyne and Elizabeth Plunket
- Piers Butler, 5th Baron Dunboyne1 d. 28 Nov 1415
- Edmond Butler, 6th Baron Dunboyne1 d. 1419
- James Butler, 7th Baron Dunboyne+1 d. 1445
- John Butler+1 d. 1434
- [S37] BP2003 volume 1, page 1211. See link for full details for this source. Hereinafter cited as. [S37]
Elizabeth Plunket1
Her married name became Butler.
Children of Elizabeth Plunket and William Butler, 4th Baron Dunboyne
- Piers Butler, 5th Baron Dunboyne1 d. 28 Nov 1415
- Edmond Butler, 6th Baron Dunboyne1 d. 1419
- James Butler, 7th Baron Dunboyne+1 d. 1445
- John Butler+1 d. 1434
- [S37] BP2003 volume 1, page 1211. See link for full details for this source. Hereinafter cited as. [S37]
Piers Butler, 5th Baron Dunboyne1 
He succeeded as the 5th Baron Dunboyne [I., 1324] in 1406.1
- [S37] BP2003 volume 1, page 1211. See link for full details for this source. Hereinafter cited as. [S37]
Edmond Butler, 6th Baron Dunboyne1 
He succeeded as the 6th Baron Dunboyne [I., 1324] on 28 November 1415.1
- [S37] BP2003 volume 1, page 1211. See link for full details for this source. Hereinafter cited as. [S37]