- JARED UNDERWOOD- 6 IVY CLOSE, KINGSWOOD MAIDSTONE, UNITED KINGDOM, ME17 3QN 
- HOLLIE UNDERWOOD- Born January 1985 - 4 WINDLASS CLOSE, NORTHAMPTON, UNITED KINGDOM, NN4 0PA 
- MALCOLM UNDERWOOD- Born July 1960 - 222 MARSLAND ROAD, SALE, CHESHIRE, M33 3NA 
- JAMES UNDERWOOD- Born November 1960 - 11A MARKET HILL, FRAMLINGHAM, WOODBRIDGE, SUFFOLK, UNITED KINGDOM, IP13 9AN 
- LIAM UNDERWOOD- Born December 1987 - 77 WENTWORTH CRESCENT, BEGGARWOOD, BASINGSTOKE, HAMPSHIRE, ENGLAND, RG22 4WU 
- CLAIRE UNDERWOOD- Born January 1988 - GEORGE COURT BARTHOLOMEWS WALK, ELY, CAMBRIDGESHIRE, ENGLAND, CB7 4JW 
- JOHN UNDERWOOD- Born August 1931 - 14 CHEYNE COURT, SURREY ROAD, BOURNEMOUTH, DORSET, BH4 9HR 
- ANDREW UNDERWOOD- Born April 1954 - BLACKTHORN HOUSE, DEVAUDEN, CHEPSTOW, GWENT, NP16 6PE 
- MARK UNDERWOOD- Born March 1959 - GLENDALE COTTAGE FAIRY CROSS, BIDEFORD, DEVON, ENGLAND, EX39 5BU 
- JULIE UNDERWOOD- 8 WOODBANK AVENUE, STOCKPORT, CHESHIRE, SK1 4JL 
- ROSA UNDERWOOD- 7 WYVELLE CRESCENT KEGWORTH, DERBY, ENGLAND, DE742ES 
- ALLISON UNDERWOOD- Born July 1968 - OFFICE 11, NAVIGATION BUSINESS CENTRE MILL GATE, NEWARK, ENGLAND, NG24 4TS 
- BARRY UNDERWOOD- Born February 1958 - FLAT 3, NORTH HARBOUR APARTMENTS BIRD STREET, NORTH SHIELDS, TYNE AND WEAR, UNITED KINGDOM, NE30 1DA 
- CHRIS UNDERWOOD- Born April 1973 - 26 GALLEYS BANK, KIDSGROVE, STOKE-ON-TRENT, ST7 4DE 
- KEITH UNDERWOOD- Born October 1936 - THE PIPPINS, 11 THORNCOTE GREEN, SANDY, BEDFORDSHIRE, SG19 1PU 
- Adam UNDERWOOD- Born May 1985 - 130 Old Street, London, England, EC1V 9BD 
- KEVIN UNDERWOOD- Born March 1960 - 226 CECILIA ROAD, LONDON, ENGLAND, E8 2EP 
- Mark UNDERWOOD- Born August 1976 - Eastmoor Farm Eastmoor Lane, Doddington, United Kingdom, PE15 0WE 
- TONY UNDERWOOD- Born February 1969 - 7 PRINCES SQUARE, HARROGATE, ENGLAND, HG1 1ND 
- MARK UNDERWOOD- Born October 1958 - 8 GARDEN WOOD ROAD, EAST GRINSTEAD, ENGLAND, RH19 1NL