This is not easy to follow so can you indicate if I am understanding the story correctly.
Robert Jones, "Scarborough" First Fleet, and Elizabeth Goldsmith "Lady Juliana" First Fleet are parents of Elizabeth (1798) and Mary (1799) born NI.
After Robert Jones d. 1818, daughter Elizabeth sold Jones family home in Harrington St for mother, Elizabeth.
Elizabeth Jones, and her mother Elizabeth (Goldsmith) Jones received land grants in Tasmania.
After death of Elizabeth (Goldsmith) Jones, 1823, you have no information about daughter Elizabeth.
Mary m. William Collins Burke, and you do not know about her life after death of husband William.
Did Elizabeth Jones, and mother Elizabeth (Goldsmith) Jones, take up their land grants in Tasmania...did they live in Tasmania. Do you know when they received the land grants at New Norfolk, Tasmania?
Where did Elizabeth (Goldsmith) Jones die 1823?
...After death of Elizabeth (Goldsmith) Jones, 1823, you have no information about daughter Elizabeth...
Does that mean you know that Elizabeth was alive at the time of her mother's death? Was Elizabeth unmarried in 1823...less common for the times you would think.
....Mary m. William Collins Burke, and you do not know about her life after death of husband William...
Is this a second, and related, enquiry....the later life of Mary (Jones) Burke?
If so, when and where did husband William die please.
What children did William Collins Burke and Mary Jones have?.