Been looking for you but am stuck too
These are two of the children right
1861 56 Brant St, Greenwich
Frederick BLACKETER head mar 33 waterman b.Greenwich
Henrietta wife 36 b.Yarmouth Norfolk
George GIBSON nephew 12 b.DeptfordRG9/399 folio 129 page 19
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1871 11 Dockley Rd, Bermondsey
Frederick BLACKETER head mar 42 master mariner b.Greenwich
Henrietta wife 42 dressmaker b.Deptford
George R GIBSON nephew unm 21 waterman and lighterman b.DeptfordRG10/635 folio 85 page 47
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1861 4 Claremont Street, Greenwich
Caroline SIMS wife mar 35? waterman's wife b.Charlton Kent
Eliza GIBSON niece 5 b.DeptfordRG9/398 folio 137 page 9
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25 Apr 1874 St Mary Magdalene, Peckham
James SIMS ofa wid waterman of 3 Shards? Rd (William - baker_
Caroline FORD ofa wid of 3 Shards? Rd (Richard SHIPP shipwright)
wit: Harriett SHIPP and James GREENFIELD
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Caroline Abigail SHIPP bp Woolwich St Mary Magdelene 31 Aug 1821 (born 11 Aug) dau of Richard and Abigail of Trinity Street, shipwright.
Henrietta Augusta SHIPP bp Woolwich St Mary Magdalene 28 Feb 1816 (born 7 Feb) dau of Richard and Abigail of Paradise Row, shipwright.
Eliza Harriett SHIPP bp Deptford St Nicholas 6 Apr 1830 dau of Richard and Abigail of Rope Walk, shipwright (born 5 Dec 1826).
+ other children for Richard and Abigail.
Is this where you have got to? That Eliza and Caroline look like sisters? I haven't found any first marriages for any of them as yet though I did notice that Eliza lists her and some of the children as SHIPP in one census which might lead one to think that she did not marry George GIBSON.
Casalguidi