Lord of East Aberthaw Philip de Port-St. John

1232 - 1305  (74 years)  Submit Photo / Document

• Name	Philip de Port-St. John  [1]
  Title	Lord of East Aberthaw
  Generation	09
  Birth	1228-1232	Basing, Hampshire, England, UK
  Gender	Male
  Death	aft. 1305	Fonmon Castle (Welsh: Castell Ffwl-y-mwn) , East Aberthaw, Glamorgan, Wales
  Person ID	SSH0018	St. John Origin and Ancestry DNA Database | St. John Generation One - Raoul de Sancto Johanne
  Last Modified	20 Feb 2024

  
  

  Father	Sir Robert de Port-St. John, of Basing,   b. abt. 1190, Basing, Hampshire, England, UK d. Mar 1267, Basing, Hampshire, England, UK (Age 77 years)
  Relationship	Birth
  Mother	Agnes de Cantilupe, of Lordship of Lancarfan m. Robert de Port-St. John; m2. John Turberville,   b. abt. 1190, Candleston Castle, Merthyr Mawr, Bridgend, Glamorgan, Wales, UK d. bef. 1290, Lordship of Llancarfan, Glamorgan, Wales, UK (Age 99 years)
  Relationship	Birth
  Marriage	1210-1225	Sussex, England,UK   [2, 3, 4, 5]
  Marriage fact	On pages 20 and 27 of Notitia St. Johanniana it say this Robert St. John’s younger son, William St. John had “Faumont” (i.e., Fonmon) in appendage while his eldest son, John St. John was the heir and received Basing. https://www.google.co.uk/books/edition/Notitia_St_Johanniana_or_Genealogical_an/2UhgAAAAcAAJ?hl=en&gbpv=1 Fonmon came from the Lordship of Llancarfan held by the de Nereberd-Cantilupe family that descend from Mawd de Umfreville, the daughter of Roger de Umfreville. Mawd de Umfreville m1) Malcolm de Londres and m2) William de Nereberd de Cantilupe. Her brother was Phillip de Nereberd.
  Marriage fact	1346  [6]
  	Thomas ab Aron was holding Fonmon Castle in 1346 (cousin of Agnes de Cantelupe. Her father's uncle was Aron ap Hywel father of Thomas ab Aron) High Sheriff of Glamorgan 1346. (Bartrum, Welsh Genealogies 300-1400, vol. 3 p. 124)RESIDENCE: Castell Ffonmon. (Bartrum, Welsh Genealogies 300-1400, vol. 3 p. 124) See: https://www.familysearch.org/ark:/61903/2:2:3KHK-1Q7
  de Port-St. John Documents		Media (Log in)
  de Port-St. John Marriage		Media (Log in)
  Family ID	F4429	Group Sheet  |  Family Chart

  
  

  Family	Felicia,   b. 1228-1232, Treguff, Llancarfan, Glamorgan, Wales, UK d. abt. 1304, Fonmon Castle (Welsh: Castell Ffwl-y-mwn) , East Aberthaw, Glamorgan, Wales (Age 72 years)
  Children	1. Thomas de Port-St. John, Deacon of St. John,   b. abt. 1245, East Aberthaw, Glamorgan, Wales, UK  [Father: Birth]  [Mother: Birth]
  Family ID	F4422	Group Sheet  |  Family Chart
  Last Modified	19 Jun 2013

  
  

• de Port-St. John Documents

  Media (Log in)

  
  

• Reference

  Suzanne St. John. "Lord of East Aberthaw Philip de Port-St. John". The St. John Genealogy Project. https://stjohngenealogy.com/getperson.php?personID=SSH0018&tree=OSA0001 (accessed April 24, 2025).

  
  

Sources

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