- Martha Frances, Lady LYTTON COBBOLD- Born October 1964 - Knebworth House Knebworth Park, Old Knebworth, Knebworth, Hertfordshire, England, SG3 6PY 
- Henry Fromanteel, Lord LYTTON COBBOLD- Born May 1962 - Knebworth House, Old Knebworth, Hertfordshire, SG3 6PY 
- PETER GUY FROMANTEEL LYTTON COBBOLD- Born November 1964 - BEADALE COTTAGE, WEST END, AMPLEFORTH, NORTH YORKSHIRE, YO62 4DX 
- Henry Fromanteel, Lord LYTTON COBBOLD- Knebworth House, Old Knebworth, Hertfordshire, SG3 6PY 
- PETER GUY FROMANTEEL LYTTON COBBOLD- Born November 1964 - BEADALE COTTAGE WEST END, AMPLEFORTH, NORTH YORKSHIRE, ENGLAND, YO62 4DX 
- Martha Frances, Lady LYTTON COBBOLD- Born October 1964 - Estate Office Knebworth House, Old Knebworth, Knebworth, United Kingdom, SG3 6PY 
- Christian James Chevallier, Dr COBBOLD- 9 Church Lane, Bishopston, Swansea, Wales, SA3 3JT 
- Henry Fromanteel, Lord LYTTON COBBOLD- Born May 1962 - Kemp House 160 City Road, London, England, EC1V 2NX 
- Christian James Chevallier, Dr COBBOLD- Born December 1970 - 9 Church Lane, Bishopston, Swansea, Wales, SA3 3JT 
- Henry Fromanteel, Lord LYTTON COBBOLD- Knebworth House, Old Knebworth, Hertfordshire, SG3 6PY 
- PETER GUY FROMANTEEL LYTTON COBBOLD- THE ESTATE OFFICES KNEBWORTH HOUSE, KNEBWORTH, HERTS, UNITED KINGDOM, SG3 6PY 
- PETER GUY FROMANTEEL LYTTON COBBOLD- Born November 1964 - THE ESTATE OFFICES KNEBWORTH HOUSE, KNEBWORTH, HERTS, UNITED KINGDOM, SG3 6PY 
- PETER GUY FROMANTEEL LYTTON COBBOLD- Born November 1964 - 1 PARKSHOT, RICHMOND, SURREY, UNITED KINGDOM, TW9 2RD 
- DAVID ANTONY FROMANTEEL LYTTON COBBOLD- Born July 1937 - KNEBWORTH HOUSE, KNEBWORTH, HERTFORDSHIRE, SG3 6PY 
- Edward Stucley Fromanteel, The Hon. LYTTON COBBOLD- Born April 1992 - Estate Office Knebworth House, Old Knebworth, Knebworth, United Kingdom, SG3 6PY 
- Edward Stucley Fromanteel, The Hon. LYTTON COBBOLD- Born April 1992 - The Estate Office Knebworth Park, Old Knebworth, Herts, U, SG3 6PY 
- RICHARD RICHARD- Born November 1982 - 17 MAHONEY GREEN, RACKHEATH, NORWICH, NORFOLK, NR13 6JY 
- RICHARD RICHARDS- FLAT 1 82 ARRAN ROAD, LONDON, UNITED KINGDOM, SE6 2NN 
- RICHARD RICHARDS- Born August 1983 - UNIT 4 GEORGIOU BUSINESS PARK SECOND AVENUE, LONDON, ENGLAND, N18 2PG 
- RICHARD RICHARDS- Born October 1951 - 13 QUEEN ANNE'S DRIVE, HAVANT, HAMPSHIRE, ENGLAND, PO9 3PG