- ISTVAN SIMON- Born April 1983 - 71-75 SHELTON STREET, COVENT GARDEN, LONDON, ENGLAND, WC2H 9JQ 
- Istvan GARAI- Born December 1974 - Aston House Cornwall Avenue, London, United Kingdom, N3 1LF 
- ISTVAN BALOG- Born November 1996 - 648 WOKINGHAM ROAD, EARLEY, READING, ENGLAND, RG6 7HN 
- ISTVAN PETER- Born May 1949 - FLAT 13 HARBOUR SQUARE WATERSIDE MARINA, BRIGHTLINGSEA, COLCHESTER, ESSEX, CO7 0GE 
- ISTVAN HAJDU- Born February 1950 - 24A JAKOHALMI. UT., JASZBERENY, HUNGARY, H5100 
- ISTVAN KOZMA- Born August 1984 - 274A UXBRIDGE ROAD, SHEPHERD'S BUSH, LONDON, W12 7JA 
- ISTVAN BONTA- FIRST FLOOR FLAT 29 CHURCH LANE, LEYTONSTONE, LEYTONESTONE, LONDON, ENGLAND, E11 1HG 
- ISTVAN MUCSI- Born December 1966 - 550A KATHERINE ROAD, LONDON, UNITED KINGDOM, E7 8EA 
- ISTVAN VIRAG- Born January 1991 - FLAT 5, HAZEL BACK HOUSE, 65 BELLEGROVE ROAD, WELLING, ENGLAND, DA16 3PB 
- ISTVAN SZABO- Born December 1982 - 45 THE WYE, DAVENTRY, UNITED KINGDOM, NN11 4PU 
- Istvan NOVAK- Born November 1976 - 125 125th Nagy Lajos Kiraly Utja, B Lph. Ii.Em. 1a., Budapest, Hungary, H1149 
- ISTVAN TOROK- Born October 1989 - 25 TOWNSEND ROAD, LONDON, ENGLAND, N15 4NT 
- ISTVAN GORGY- 789 FLAT A HIGH ROAD 789 FLAT A HIGH ROAD, 789 FLAT A HIGH ROAD, BARNET, NOT SPECIFIED, ENGLAND, N12 8JX 
- ISTVAN SIMON- Born January 1964 - 299 KATHERINE ROAD, LONDON, ENGLAND, E7 8PJ 
- ISTVAN ADLER- Born June 1921 - 7 NEVILLE DRIVE, LONDON, N2 0QS 
- KUN ISTVANNE- FLAT 22, 95 WILTON ROAD, LONDON, SW1V 1BZ 
- ISTVAN VASKO- Born September 1984 - 146 A RICHMOND ROAD, KINGSTON UPON THAMES, GREAT BRITAIN, KT2 5HA 
- PETER JESSEL LEVAY LAWRENCE- 5 LANSDOWNE CRESCENT, LONDON, W11 2NH 
- PETER JESSEL LEVAY LAWRENCE- Born October 1933 - 1 LANCASTER PLACE, STRAND, LONDON, WC2E 7EB 
- ISTVAN SEREG- Born March 1986 - BROAD HOUSE 8 REGAN WAY, CHETWYND BUSINESS PARK, CHILWELL, NOTTINGHAM, UNITED KINGDOM, NG9 6RZ