William Brereton1 
Children of William Brereton
George Brereton1 
On 12 November 1714 he obtained the lease of part of Rathmore and Gurtfally, Hill of Scahanagh, King’s County from Henry Westenra.1 He lived at Rathmore, County Offaly, IrelandG.1
Children of George Brereton and Margaret Armstrong
- William Brereton2 d. bt 8 Jan 1738 – 10 Jun 1738
- Armstrong Brereton2 d. b 1746
- Thomas Brereton2
- Letitia Brereton2
- Mary Brereton2
- Margaret Brereton2
- Jane Brereton2
Archibald Armstrong1
Child of Archibald Armstrong
Margaret Armstrong1
From 1711, her married name became Brereton.
Children of Margaret Armstrong and George Brereton
- William Brereton2 d. bt 8 Jan 1738 – 10 Jun 1738
- Armstrong Brereton2 d. b 1746
- Thomas Brereton2
- Letitia Brereton2
- Mary Brereton2
- Margaret Brereton2
- Jane Brereton2
William Brereton1 
He lived at New Hall, County Offaly, IrelandG.1 His last will was dated 8 January 1736.1
Deborah Tuthill1
Her married name became Brereton. Her married name became Monsell.1
Armstrong Brereton1 
Thomas Brereton1
He lived at Dublin, County Dublin, IrelandG.1
Letitia Brereton1
Her married name became Youell.