Here we go then...
Charles & Maria’s children:
Charles James (b.1826 Ramsgate d.1867 Petersham NSW)
Married Anna Maria Lawrence 13/4/1857 Sydney NSW
Baptised 26/11/1826, St Lawrence, Ramsgate (LDS IGI)
1851 census - grocer's shopman
1854 - went to Australia
Children: Ann M (b.1859 Sydney)
Henrietta Caroline (b.1861 Sydney)
Robert George (b.1828 Ramsgate d.1824 Ramsgate)
Married twice: 1. Caroline Keen (b.1830 Herne, Kent d.1862 Herne, Kent)
2. Sarah Hollands (b.1838 Margate)
Baptised 17/8/1828, St Georges Ramsgate (LDS IGI)
1851 census - Monument Pier boatman, his future wife Caroline Keen was working as a domestic servant in the family home.
1861 census - mariner of 6, Kent Place, Ramsgate with wife, Caroline, young brother Walter and nephew Gayler(?) Keen. No children.
1871 census - mariner of 7, Cliff Court, Ramsgate with 2nd wife, Sarah. No children.
1881 census - mariner of Kent Cottage, Kent Place, Ramsgate with 2nd wife Sarah. No children.
1891 census - mariner of 76 Harbour Street, Ramsgate, with wife Sarah and Alice Hobday a 30 year old married woman from Norfolk. (listed, interestingly, as daughter of Robert, no occupation). Home is next door to the Queens Head pub, the landlord of which is Isaac Jarman (the former lifeboat coxswain?)
William Henry (b.1830 Ramsgate)
Baptised 31/10/1830 Ramsgate, Kent (LDS IGI)
1851 census - bookbinder's assistant
Cannot find him on subsequent censuses or find record of any marriage etc. There is always the possibility that he went to Australia too.
Richard Daniel (b & d 1832)
Baptised 19/8/1832, Buried 23/8/1832, St Georges Ramsgate (LDS IGI)
Maria Ann (b.1833 Ramsgate)
Baptised 14/7/1833, St Georges, Ramsgate (LDS IGI)
1851 - working in Ramsgate as a servant.
Emigrated to Australia in 1850s. Married Jabez Janes 1854 - Had 7 children.
Elizabeth Pullen (b.1835 Ramsgate) married Peter Bedford Keogh in Australia
Baptised 26/7/1835, St Georges, Ramsgate (LDS IGI)
1851 census dress maker
1854 emigrated to Australia (this info & marriage from Ancestry members family tree) no citations.
James Freeman (b.1837 Ramsgate)
Married Harriet Paul 1872, Kensington, London
Baptised 15/10/1837, St Georges, Ramsgate (LDS IGI)
1851 - census - Errand Boy
1861 - in Royal Navy, Ordinary Seaman, at sea in Kiukiang, China
Was married Apr-Jun 1872, Kensington Vol 1a, p.392
1891 - lived at 16 Adair Road, Kensington.
Probably died Jan-Mar 1900, Lewisham Vol 1d, p.927
4 children born Kensington:
John P (1863), Grace (1866), Sarah E (1870) & William (1883)
Caroline Frances (b.1841 Ramsgate d.1869 Williamstown Victoria Aus)
Married Archibald Price from Dunbarton Scotland on 22/1/1859 at Williamstown.
Baptised 21/3/1841, St Georges, Ramsgate (LDS IGI)
4 children born Williamstown:
Archibald (1860), William (1862), Richard (1864) & Robert (1866)
Mary Louise (b.1843, Ramsgate)
Baptised 7/5/1843, St Georges, Ramsgate (LDS IGI)
No further information. Maybe died young.
Sarah Ellen Elizabeth (b.1846 Ramsgate)
Baptised 9/8/1846, St Georges, Ramsgate (LDS IGI)
1864 - According to one researcher on Ancestry, she apparently went to Australia with young brother Walter to search for her sisters Maria & Caroline who emigrated in 1854. Young Walter had been in the care of his older brother Robert who lost his 1st wife in 1862, so presumably she was looking for someone to look after him. She married there and remained in Australia.
Walter Joseph (b.1849 Ramsgate)
Baptised 17/6/1849 Ramsgate, kent (LDS IGI)
1861 - with brother & wife in Ramsgate.
Good luck!