 | Generation 1 - Sir Alexander Marten: Born - Abt 1450 - Gloucester, Gloucestershire |
 |
 | Generation 1 - Sir Alexander Marten: Died - Aft 1480 - England |
|
 | Generation 2 - Sir John Charles Martyn, III: Born - 1430 - Wokingham, Berkshire |
|
| Generation 2 - Sir John Charles Martyn, III: Died - 1510 - Wokingham, Berkshire |
|
 | Generation 2 - Sir John Charles Martyn, III & Lady Agnes Elizabeth Cresswell: Married - 1450 - Berkshire |
|
 | Generation 2 - Lady Agnes Elizabeth Cresswell: Born - 1430 - Odiham, Hampshire |
|
| Generation 2 - Lady Agnes Elizabeth Cresswell: Died - 1490 - Wokingham, Berkshire |
|
| Generation 3 - John Martin: Born - 1400 - Berkshire |
|
| Generation 3 - John Martin: Died - 1450 - Berkshire |
|
 | Generation 3 - Anne L Boteler: Born - 1410 - Halstead, Essex |
|
 | Generation 3 - Anne L Boteler: Died - 1448 - Castle Hedingham, Essex |
|
 | Generation 4 - Baron Robert Martin, IV of Athelhampton: Born - 1380 - Athelhampton, Dorset |
|
| Generation 4 - Baron Robert Martin, IV of Athelhampton: Died - 1433 - Athelhampton, Dorset |
|
Abt 1450 - Aft 1480 (> 31 years)
= Link to Google Maps