Family: 1st Baron St John of Basing John Saint John / Isabell De Courtenay (F1491)
m. Abt 1307
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Male
1st Baron St John of Basing John Saint John
Birth Oct 1273 Hampshire, England 
Death 14 May 1329 Hampshire, England Burial May 1329 Marriage Abt 1307 Devonshire, England Father Lord St. John John St. John | F1476 Group Sheet Mother Alice Fitzpiers | F1476 Group Sheet
Female
Isabell De Courtenay
Birth 1283 Devonshire, England Death 10 May 1325 Hampshire, England Burial 18 May 1325 Father Hugh De Courtenay, I | F1364 Group Sheet Mother Eleanor Le Despencer | F1364 Group Sheet
Female
+ Margaret De St. John
Birth 1304 Somerset, England Death 19 Nov 1361 Somerset, England Burial Spouse 2nd Baron Beauchamp John De Beauchamp | F1394 Marriage Somerset, England