Henry Grey, 1st Duke of Suffolk, 3rd Marquess of Dorset, was born 17 January 1517 to Thomas Grey, 2nd Marquess of Dorset (1477-1530) and Margaret Wotton (1481-aft1535) and died 23 February 1554 Northumberland, England, United Kingdom of unspecified causes. He married Katherine FitzAlan (-aft1552) 1530 JL . He married Frances Brandon (1517-1559) 1533 JL in Suffolk Place, Southwark, London. Charlemagne (747-814)/s, Hugh Capet (c940-996)/s.
|Offspring of Henry Grey, 1st Duke of Suffolk and Frances Brandon (1517-1559)|
|Jane Grey (c1536-1554)||1536||12 February 1554 Tower of London, London, England, United Kingdom||Guilford Dudley (1534-1554)|
|Catherine Grey (c1540-1567)||August 1540 Bradgate Park, Leicester, England, United Kingdom||27 January 1567 Cockfield Hall, Yoxford, Suffolk, England, United Kingdom||Henry Herbert, 2nd Earl of Pembroke (aft1538-1601) Henry Herbert, 2nd Earl of Pembroke (aft1538-1601) Edward Seymour, 1st Earl of Hertford (1539-1621)|
|Mary Grey (1545-1578)||1545||20 April 1578||Thomas Keyes (bef1525-1571)|