- ISTVAN KISS- 12 WEST STREET, WARE, HERTFORDSHIRE, UNITED KINGDOM, SG12 9EE 
- ISTVAN PAPP- FLAT 27 REYNOLDS COURT, COBBOLD ROAD, LONDON, UNITED KINGDOM, E11 3NR 
- Istvan UNGI- Born November 1984 - Brunel House 340 Firecrest Court, Centre Park, Warrington, Cheshire, WA1 1RG 
- ISTVAN FULE- Born November 1981 - UNIT 24 HARDIE COURT, LIVERPOOL, ENGLAND, L24 1YL 
- ISTVAN BORS- Born December 1964 - 51 MCLEAN PLACE, PAISLEY, SCOTLAND, PA3 2DG 
- ISTVAN TOTH- Born August 1965 - UNIT 22, BULRUSHES BUSINESS PARK COOMBE HILL ROAD, EAST GRINSTEAD, UNITED KINGDOM, RH19 4LZ 
- Istvan KASA- Born August 1989 - 61 Stranraer Gardens, Slough, United Kingdom, SL1 3TF 
- ISTVAN KISS- Born September 1967 - INTERNATIONAL HOUSE 24 HOLBORN VIADUCT, LONDON, UNITED KINGDOM, EC1A 2BN 
- Istvan HODI- Born January 1973 - 13 Coverdale Avenue, Maidstone, Kent, England, ME15 9DR 
- ISTVAN VASS- Born March 1950 - COLEBROOK, PLYMPTON, PLYMOUTH, DEVON, PL7 5EB 
- ISTVAN TOTH- Born May 1976 - 25 DAWES STREET, GILLINGHAM, UNITED KINGDOM, ME7 5UQ 
- ISTVAN KISS- Born June 1966 - UNIT 53 BASEPOINT BUSINESS CENTRE WINALL VALLEY RO, WINCHESTER, HAMPSHIRE, UNITED KINGDOM, SO23 0LD 
- ISTVAN KISS- Born June 1957 - 17 ROUNDHILL GROVE, BATH, SOMERSET, BA2 1JT 
- RACZ ISTVAN- Born May 1957 - KARCAG MAGYARORSZAG, BANY AL PIROSKA, 5310 KISUJSZALLAS, MEGYERI, HUNGARY, UTCA17 
- ISTVAN JANI- Born October 1989 - 100 DOROZSMAI U., SZEGED, HUNGARY, 6791 
- ISTVAN TOTH- Born August 1965 - UNIT 22, BULRUSHES BUSINESS PARK, COOMBE HILL ROAD, EAST GRINSTEAD, WEST SUSSEX, ENGLAND, RH19 4LZ 
- MARK ISTVAN- Born September 1978 - INGLEWOOD NORTHERN HEIGHTS, BOURNE END, BUCKINGHAMSHIRE, ENGLAND, SL8 5LE 
- ISTVAN KISS- Born August 1955 - 283 WESTFERRY ROAD, LONDON, ENGLAND, E14 3RS 
- ISTVAN RACZ- Born May 1957 - UNIT 14 AILSA STREET, LONDON, ENGLAND, E14 0LE 
- ISTVAN NAGY- Born October 1977 - I/35 126 BRATOK BELA, BUDAPEST, HUNGARY