Petronilla de Clare, St. John, of Instow, Devon, England (alleged wife)

1229 - 1320  (91 years)  Submit Photo / Document

• Name	Petronilla de Clare  [1, 2, 3, 4, 5]
  Suffix	St. John, of Instow, Devon, England (alleged wife)
  Birth	abt. 1229	Tewkesbury, Gloucestershire, England, UK
  Gender	Female
  Fact	Canonsleigh Abbey, Devon, England, UK
  	Abbesses of Canonsleigh Abbey, Devon, England Matilda de Tablere, 1284, Prioress. Matilda de Clare, 1285, Abbess. Patronilla de Clare, c. 1308, Abbess. Joan de Radyngtone, 1319, Coadjutor. Margaret Aunger, 1320, Abbess. Juliana Lampre, 1345, Abbess. Christina Edewis, date not recorded Lucy Warre, 1371 Abbess. Mary Beauchamp, 1410, Abbess. Joan Arundel, 1450, Abbess. Christiana Edewick, not dated Elizabeth Fowell, Last Abbess.
  Fact	1303	Instow, Devon, England, UK
  	John de Sancto Johanne, of Instow, died.
  Fact	c. 1308	Canonsleigh Abbey, Devon, England, UK   [2, 6]
  	became Abbess following her aunt Matilda de Clare.
  	Notes (Log in)
  Fact	19 Sep 1318	Canonsleigh Abbey, Devon, England, UK   [4]
  	fol. 129b Canonsleigh Abbey, Petronilla [de Clare] occurs as Abbess, 19 Sept., 1318; 129b. Instowe, -- Master Rd. de Morcestre, subdeacon, R. -- Dispensation: non-residence for two years from Christmas, to study, etc. (14 Oct. 1315) folio 110b: Renewed for a year (30 Sep 1317), "et dabit ad Fabricam dimidiam marcam" 123b; renewed for two years -- "et dabit ad Fabricam Exoniensem j marcam' (20 Sep 1318) folio 129b. Yenestowe, Geoffrey de, accolite, -- Dispensacio super defectu natalium ("de presbitero genitus et soluta"), 15 Dec, 1308; 37.
  Death	1320	Devon, England, UK
  	Notes (Log in)
  Fact	12 Jan 1320	Canonsleigh Abbey, Devon, England, UK
  	Folio 146b Joan de Radyngtone, Canoness of "Leghe," appointed coadjutor to Petronilla, the Abbess.
  Person ID	I12691	St. John Origin and Ancestry DNA Database
  Last Modified	15 Dec 2023

  
  

  Father	Gilbert de Clare, Earl of Hertford & Gloucester; Surety of the Magna Carta,   b. 1182, Hertford, Hertfordshire, England, UK d. 25 Oct 1230, Penros or La Grée-Saint-Laurent, Morbihan, Brittany, France (Age 48 years)
  Relationship	Birth
  Mother	Isabel Marshall, de Clare, Countess of Cornwall,   b. 9 Oct 1200, Pembroke Castle, PEmbrokeshire, Wales, UK d. 15 Jan 1240, Berkhampstead, Berkhamsted, Hertfordshire, England, UK (Age 39 years)
  Relationship	Birth
  Family ID	F906	Group Sheet  |  Family Chart

  
  

  Family	Sir John II St. John, knight, m. Petronilla de Clare, of Instow,   b. 1222-1228, Stanton-St. John, Oxfordshire, England, UK d. Living in 1303, Instow, Devon, England, UK (Age 75 years)
  Marriage	abt. 1242	Devon, England, UK
  Children	1. Roger St. John,   b. abt. 1245, Instow, Devon, England, UK d. bef. 1323, England, UK (Age 77 years)  [Father: Birth]  [Mother: Birth]   2. Sir Hugh St. John,   b. abt. 1246, Instow, Devon, England, UK  [Father: Birth]  [Mother: Birth]   3. Thomas St. John, Knight, Alleged,   b. abt. 1247, Instow, Devon, England, UK d. aft. 1274, Ashewell, Devon, England (Age 28 years)  [Father: Birth]  [Mother: Birth] + 4. William St. John, probably the Knights Templar of Acre & ArchBishop of Nazareth in 1288,   b. abt. 1249, Instow, Devon, England, UK d. 1290, Jerusalem, Israel (Age 41 years)  [Father: Birth]  [Mother: Birth] + 5. John III St. John, of Instow m. Isabella de Courtney,   b. abt. 1263, Instow, Devon, England, UK d. Living in 1316, Instow, Devon, England, UK (Age 53 years)  [Father: Birth]  [Mother: Birth] + 6. Agnes St. John, wife of Hugh de Courtney?,   b. Apr 1275, Oakhampton, Devon, England, UK d. 11 Jun 1340, Tiverton, Devonshire, England (Age 65 years)  [Father: Birth]  [Mother: Birth]
  Family ID	F905	Group Sheet  |  Family Chart
  Last Modified	31 Aug 2024

  
  

• Documents

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  Heraldry » Slide Show	2 Heraldry

  
  

• Reference

  Suzanne St. John. "Petronilla de Clare, St. John, of Instow, Devon, England (alleged wife)". The St. John Genealogy Project. https://stjohngenealogy.com/getperson.php?personID=I12691&tree=OSA0001 (accessed April 24, 2025).

  
  

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