Hello Julia
Just to help the cause in finding her/them (but I still haven't found her)....some conflicting info from the data supplied, or am I reading it wrong?
ie
Her mother Sarah became a widow in late 1850's, not long i suspect after Jane's birth.
David had been a lodger with the widow Sarah and her 4 children in 1861, age given then as 25 (age is 26 and it appears he was born circa 1833 info from the 1841 census where he is 8 years old)
1881
Dec qtr 1881, Camberwell R.D, Surrey
Jane Green marries George Kemp
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1874
June qtr 1874, Bethnal Green R.D
Sarah Green marries David Adams
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1861 census
Clacton Road, Weeley, St Osyth, Tendring, Essex
Sarah Green.....Head....40 Widow....Laundress & Lodging.....Wales
John........".........Son......16....Agricultural Labourer...............Weeley, Essex
Octavious "........Son......13....Agricultural Labourer...............Weeley, Essex
Ann..........".......Daur......11....................................................Weeley, Essex
Jane.........".......Daur......5......................................................Weeley, Essex
David Adams...Lodger....26 Unmarried.. Woodmen.... Weeley, Essex
(David Adams is stated as being 8 years old in 1841 Weeley, Essex)
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1858
Mar qtr 1858, Tendring R.D
Robert Green dies
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1851 census
Heath, Weeley, St Osyth, Tendering, Essex
Robert Green....Head...50......Ag Lab....................Ardleigh, Essex
Sarah........".......Wife....37.....................................Bracknock, Radnorshire
John.........."........Son......6......Scholar....................Weeley, Essex
Octavis......"........Son......4......Scholar....................Weeley, Essex
Sarah A.....".......Daur......18 months......................Weeley, Essex
William Syrett...Lodger...77 Widr...Pauper Ag Lab...Lt Bentley, Essex
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1844
Mar qtr 1844, West London R.D
Sarah Watkins marries Robert Green
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Bryant