William Power1 
- [S37] BP2003 volume 3, page 4085. See link for full details for this source. Hereinafter cited as. [S37]
Ellen Power1 
Her married name became FitzGerald.1
- [S37] BP2003 volume 3, page 4085. See link for full details for this source. Hereinafter cited as. [S37]
Margaret Power1 
Her married name became Butler.3 From 1585, her married name became FitzGerald.2 On his death, his vast estates in counties Cork and Kerry were parcelled out amongst ‘undertakers’ from England.2
Lady Katherine Butler1 
From before 1526, her married name became Power.1 From February 1549/50, her married name became FitzGerald.1
Children of Lady Katherine Butler and Richard Power, 1st Baron le Power and Coroghmore
- Thomas Power+1 d. 10 Oct 1564
- Katherine Power1
- Ellice Power+1
- Margaret Power1
- Ellen Power1
- Edmond Power1
- Piers Power, 2nd Baron le Power and Coroghmore1 b. 1526, d. 16 Oct 1545
- John Power, 3rd Baron le Power and Coroghmore+1 b. c 1529, d. 8 Nov 1592
Child of Lady Katherine Butler and James FitzJohn FitzGerald, 13th Earl of Desmond
- Sir Thomas FitzJames FitzGerald+2 d. 18 Jan 1595
Piers Power, 2nd Baron le Power and Coroghmore1

He was also known as Piers Poer.2 He succeeded as the 2nd Baron le Power and Coroghmore, co. Waterford [I., 1535] on 10 November 1538.1 He was Captain-General of the a force of Irish kernes raised for the French war.2 He fought in the Siege of Boulogne in September 1544.2 He was appointed Knight on 30 September 1544 after the capture of Boulogne.1
Thomas Power1 
He lived at Coolfin, County Laois, IrelandG.2 He was also known as Thomas Poer.2
Children of Thomas Power and Joan Tobin
- William Power1 d. b 1586
- James Power+1 d. 1625
- Nicholas Power1
- Ellen Power1
- unknown daughter Power1
- unknown daughter Power1
- Edmond Power1 b. 1557, d. a 31 Oct 1568
Katherine Power1
Her married name became Devereux. She was also known as Katherine Poer.2
Ellice Power1
She was also known as Elice Poer.2
Child of Ellice Power and Sir Thomas FitzJames FitzGerald
Margaret Power1
Her married name became Burke.1 Her married name became Bourke.1
- [S37] BP2003 volume 3, page 4085. See link for full details for this source. Hereinafter cited as. [S37]
Ellen Power1
Her married name became MacBrien.1
- [S37] BP2003 volume 3, page 4085. See link for full details for this source. Hereinafter cited as. [S37]