Family: John de SAINT JOHN, 1st Baron St.John of Basing / Isabel de COURTENAY (F9590)
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Male
John de SAINT JOHN, 1st Baron St.John of Basing
Birth Oct 1273 Basing, Hampshire, England 
Death 14 May 1329 Burial Marriage Other Spouse Isabel de COURTENAY | F9597 Marriage Father Mother
Female
Isabel de COURTENAY
Birth Abt 1283 Of Okehampton, Devon, England Death Yes, date unknown Burial Father Mother
Female
Margaret SAINT JOHN
Birth 1308 Hatch, Somersetshire, England Death 19 Nov 1361 Burial Spouse John de BEAUCHAMP, 3rd Lord Hatche | F9579 Marriage
Male
Hugh de SAINT JOHN, of Basing, 2nd Lord
Birth 26 May 1310 Death 25 Oct 1335 Burial Spouse Mirabelle WAKE, (dau of Thomas Wake) | F9598 Marriage