1841 census HO107 809/5 folio 4 page 1
Hall Desborough Northamptonshire
Charles Lewin 20 Not born Northamptonshire Farmer
Mary Ann Lewin 40 Not born Northamptonshire
Mary Ann Lewin 15 Not born Northamptonshire
Jonathan Lewin 15 Northamptonshire
Adult ages (those over 15) are rounded down to the nearest 5 on the 1841 census - relationships and status (married, single, widowed) are not given
1851 census HO107 1745 folio 427
Brington Huntingdonshire
Charles Lewin 31 Brington, Huntingdonshire, Head Unmarried Farmer of 414 acres employing 12 labourers
Mary Ann Lewin 56 Long Houghton, Warwickshire, Mother Widow Annuitant
Man Anne Lewin 28 Brington, Huntingdonshire, Sister Unmarried
Thomas Iliffe 10 Desborough Northamptonshire Cousin
plus 3 servants
next door
Jonathen Lewin 29 Clapton, Northamptonshire, Head Married Farmer of 460 acres employing 14 labourers
Emma Lewin 27 St Pancras, Middlesex, Wife Married
Jonathan Lewin 4 Brington, Huntingdonshire, Son
Emma Lewin 3 Brington, Huntingdonshire, Daughter
Henery Charles Lewin 1 Brington, Huntingdonshire, Son
plus 2 servants
From the IGI
CHARLES LEWIN
Christening: 06 JUN 1819 Brington, Huntingdon
Father: CHARLES LEWIN
Mother: MARIANNE
MARIANNE LEWIN
Christening: 19 JUL 1822 Brington, Huntingdon
Father: CHARLES LEWIN
Mother: MARIANNE
JONATHAN LEWIN
Spouse: EMMA MATTS
Marriage: 12 JUN 1845 Old Church, Saint Pancras, London
Marriages Jun 1845
Lewin Jonathan St Pancras 1 341
Matts Emma St Pancras 1 341
with the district, volume and page number you can order the marriage certificate from the General registry Office
http://www.gro.gov.uk/gro/content/certificates/The details about Jonathan's father, the marriage certificate is likely to tell you is that his name was Charles and he was deceased (though that detail is optional and might not be mentioned) and that he was probably a farmer.
Regards
Valda