1. Guy, George and Galen Jr Weston and family, Primark, Selfridges and Brown Thomas
Worth: £10.05bn Down: £450m
2. Sir David and Sir Frederick Barclay, Very and Littlewoods
Worth: £7.4bn Up: £200m
3. Francois-Henri Pinault and Salma Hayek, Gucci, Saint Laurent, Alexander McQueen
Worth: £5.126bn Up: £1.689bn
4. Laurence and Francois Graff, Graff Diamonds
Worth: £3.77bn Up: £130m
5. Stephen Rubi and family, Speedo, Berghaus, Ellesse
Worth: £2.82bn Up: £520m
6. Mike Ashley, Sports Direct
Worth: £2.437bn Up: £277m
7. Bernard Lewis and family, River Island
Worth: £2.125bn Up: £125m
=8. Sir Philip and Lady Green, Topshop, Miss Selfridge
Worth: £2bn Down: £787m
=8. Robert Miller and Princess Marie-Chantal and family
Worth: £2bn Up: £420m
=10. Philip Day, Edinburgh Woollen Mill, Peacocks, Austin Reed
Worth £1.2bn Up £50m
=10 Chirstina Ong and family, Mulberry, Club 21
Worth: £1.2bn Down: £96m
12. Mahmud Kamani and family, Boohoo
Worth: £1bn Up: £258m