| Sources |
- [S4266] Ancestry.com, UK, Heraldic Card Index, 1150-1850, (Name: Ancestry.com Operations, Inc.; Location: Lehi, UT, USA; Date: 2024;), Society of Antiquaries of London; London, England, UK; Heraldic Card Index; Reference: 207.
Record for Sir John Brereton
https://search.ancestry.com/cgi-bin/sse.dll?db=62736&h=120329&indiv=try
- [S323] thePeerage.com, (Name: thePeerage.com;), Brereton, John (1564-1629) #353727 Accessed KRM 23 Sep 2025 10:37am http://thepeerage.com/p35373.htm#i353727.
The Peerage.com
http://thepeerage.com/index.htm
Operated by Darryl Lundy
http://thepeerage.com/p35373.htm#i353727
- [S2429] Ancestry.com, International, Find A Grave Index for Select Locations, 1300s-Current, (Name: Ancestry.com Operations, Inc.; Location: Provo, UT, USA; Date: 2012;).
Record for Sir John Brereton
https://search.ancestry.com/cgi-bin/sse.dll?db=60541&h=214055145&indiv=try
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