| Person | [Birth - Death] | Spouse |
|---|---|---|
| de St. John | [? - ?] | |
| Adam de St. John | [? - ?] | |
| Edmund de St. John | [about 1333 - 1347] | |
| Giles de St. John | [about April 1330 - 1381] | Margery de Lions, Maud |
| Godeheut de St. John | [? - ?] | |
| Hugh de St. John | [? - before 25 October 1335] | Mirabel |
| Isabel de St. John | [about 1333 - 16 October 1393] | Henry de Berghersh, Luke de Poynings |
| John de St. John | [? - ?] | |
| John de St. John | [? - ?] | Juliana Taillard |
| John de St. John | [? - (20-29 September 1302)] | Alice Fitz-Piers |
| John de St. John | [? - ?] | Maud Fitz Nigel |
| John de St. John | [(1272-1274) - before 4 April 1329] | Isabel de Courtenay |
| Margaret de St. John | [before 1333 - ?] | |
| Margery de St. John | [before 11 May 1371 - 1 August 1441] | William Harrowden |
| Muriel de St. John | [? - ?] | Reginald de Orval |
| Robert de St. John | [? - ?] | Olive |
| Robert de St. John | [? - (11-25 March 1267)] | Agnes de Cantelupe |
| Roger de St. John | [? - ?] | Cecily de la Haye |
| Thomas de St. John | [? - ?] | |
| William de St. John | [? - after 1187] | Olive of Brittany, Godeheut |
| William de St. John | [? - 1239] | Godeheut Paynel |
| William de St. John | [? - ?] | Sara de Plumpton |
| William de St. John | [? - ?] | |
| William de St. John | [after 16 November 1266 - about 1327] | Ismania |
| William de St. John | [? - 4 July 1331] | Isabel de Combemartin |