Alexander de Port-St. John, of Lacton, of Thurley

1493 - 1551  (58 years)  Submit Photo / Document    Has 670 ancestors and 542 descendants in this family tree.

• Name	Alexander de Port-St. John
  	Notes (Log in)
  Suffix	of Lacton, of Thurley
  Birth	abt. 1493	Thurley, Bedofordshire, England
  Gender	Male
  Alt. Birth	1510	Thurley, Bedfordshire, England, UK
  	The Seyntjohn.org.uk database says he was born in 1510 but it is not sourced. It then says about 1510 Pen-marc Castle, Pen-marck, Glamorganshire, Wales as another birth.
  Death	1551	Thersley, Bedofordshire, England
  Age at Death	58 years
  Person ID	I1071	St. John Origin and Ancestry DNA Database | St. John Generation One - Raoul de Sancto Johanne
  Last Modified	29 Jul 2019

  
  

  Father	John de Port-St. John, Knight, of Bletso,   b. 1450, England, UK d. 1525, England, UK (Age 75 years)
  Relationship	Birth
  Mother	Sybil Verch Morgan
  Relationship	Birth
  Family ID	F3726	Group Sheet  |  Family Chart

  
  

  Family	Johanna Dalyson, of Sawbridgeworth,   b. abt. 1500, Cranesley, Northamptonshire, England, UK d. 28 Apr 1557, Thurley, Bedfordshire, England, UK (Age 57 years)
  Marriage	18 Nov 1530	London, London, England   [1, 2]
  	Notes (Log in)
  Age at Marriage	He : ~ 37 years and 11 months - She : ~ 30 years and 11 months.
  Children	1. George de Port-St. John, of Thurley,   b. abt. 1530   d. 29 May 1602 (Age 72 years)  [Father: Birth]  [Mother: Birth] + 2. Oliver de Port-St. John, , of Colletts, Keysoe, Bedfordshire, England,   b. 1531   d. 5 Feb 1590, Befordshire, England, UK (Age 59 years)  [Father: Birth]  [Mother: Birth]   3. John de Port-St. John,   b. c. 1532   4. Alice de Port-St. John, Clopton,   b. 1533  [Father: Birth]  [Mother: Birth] + 5. Henry de Port-St. John,   b. 1545, Keysoe, Bedfordshire, England, UK d. 28 Jun 1598, Keysoe, Bedfordshire, England, UK (Age 53 years)  [Father: Birth]  [Mother: Birth]
  Family ID	F633	Group Sheet  |  Family Chart
  Last Modified	9 Jun 2022

  
  

• Pedigree

  ← Click to display 1Alexander de Port-St. John, of Lacton, of Thurley(1493 – 1551) 2John de Port-St. John, Knight, of Bletso(1450 – 1525) 4John de Port-St. John, Esq. of Bletso(1425 – 1488) 8Sir Oliver de Port-St. John, Knight m. Lady Margaret Beauchamp(Abt 1392 – 1437) 9Lady Margaret Beauchamp, of Bletso, Bedfordshire, Oxfordshire, and Lydiard Tregoze, Wiltshire(1405 – 1482) 5Alice Bradshaw, de Port-St. John( – 1488) 10Thomas Bradshaigh 11_____ Sherburne 3Sybil Verch Morgan 6Rhys ap Morgan 12Morgan ap Jenkyn 13 7Jowan Mathew 14David Mathew 15

  
  

• The National Archives

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• Notes

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• Reference

  Suzanne St. John. "Alexander de Port-St. John, of Lacton, of Thurley". The St. John Genealogy Project. https://www.stjohngenealogy.com/getperson.php?personID=I1071&tree=OSA0001 (accessed May 8, 2025).

  
  

Sources

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