Looking at the IGI
http://www.familysearch.org there is a possible sibling Edwin (not quite such a common name) so this family looks pretty good ...........
1841 - Goodge Street, St Pancras, Middlesex
George JENNER 50 shoemaker b.S? (Scotland?)
George 20 shoemaker not born Middlesex
Henry 20 shoemaker not born Middlesex
Edwin 15 shoemaker not born Middlesex
Charles 20 shoemaker not born Middlesex
Mary 60 not born Middlesex
Elizabeth 14 not born Middlesex
HO107/686/5 folio 8 page 9
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1851 - 20 Goodge St, St Pancras, Middlesex
George JENNER head mar 68 lady's shoemaker b.Kent
Mary wife 60 b.St Pancras Middlesex
Charles son 32 lady's shoemaker b.Kent
HO107/1494 folio 289 page 56
...........................
1861 - St Pancras
George S JENNER head wid 47 shoemaker b.Chatham
George S son unm 17 shoemaker b.St Pancras
William R son 12 errand boy b.Maidstone Kent
Thomas B son 8 b.St Pancras
Mary mother wid 70 bookbinder b.Langley Kent
RG9/113 folio 73 page 7
Casalguidi
