Thomas de Port-St. John

1765 - 1827  (61 years)  Submit Photo / Document

• Name	Thomas de Port-St. John
  Birth	29 May 1765	St. Marylebone, London, England, UK
  Gender	Male
  Death	1827
  Person ID	I12281	St. John Origin and Ancestry DNA Database | St. John Generation One - Raoul de Sancto Johanne,
  Last Modified	17 Apr 2016

  
  

  DNA Tests	1 DNA test is associated with Thomas de Port-St. John
  	Test Type	Taken by	Haplogroup	Test Information
  	Y-DNA-37	Private	I-M253	Most distant ancestor: Hughues Gospatric de Port,   b. 980, Cil de Port, Calvados, Normandy, France d. 1056, Cil de Port, Calvados, Normandy, France Most recent common ancestor: Sir Oliver de Port-St. John, Knight m. Lady Margaret Beauchamp,   b. Abt 1392, Fonmon Castle (Welsh: Castell Ffwl-y-mwn) , East Aberthaw, Glamorgan, Wales d. 1437

  
  

  Father	Dean or Worcester Reverend St. Andrew de Port-St. John,   b. 17 Jan 1732   d. 23 Mar 1795 (Age 63 years)
  Relationship	Birth
  Mother	Sarah Chase,   b. abt. 1735   d. 17 Jul 1775 (Age 40 years)
  Relationship	Birth
  Family ID	F5038	Group Sheet  |  Family Chart

  
  

  Family	Frances Lavie   d. 15 Nov 1810
  Children	1. Thomas de Port-St. John,   b. 1797   d. 1834 (Age 37 years)  [Father: Birth]  [Mother: Birth]   2. Frances de Port-St. John,   b. 1801  [Father: Birth]  [Mother: Birth] + 3. Captain Oliver de Port-St. John,   b. 6 Aug 1803, Bletsoe, Bedfordshire, England, UK d. 15 Nov 1844 (Age 41 years)  [Father: Birth]  [Mother: Birth] + 4. Robert de Port-St. John,   b. 1805, St. Nicholas, Worcester, England, UK  [Father: Birth]  [Mother: Birth]
  Family ID	F5039	Group Sheet  |  Family Chart
  Last Modified	17 Apr 2016

  
  

• Reference

  Suzanne St. John. "Thomas de Port-St. John". The St. John Genealogy Project. https://stjohngenealogy.com/getperson.php?personID=I12281&tree=OSA0001 (accessed April 25, 2025).