I prepared a summary of Isaac CASTLE and Harriet LEWIS for the Cowra FH group - it captures the basics quite well.
Isaac CASTLE, baptised 2 May 1830 at East Hendred, Berkshire, England, son of William CASTLE (1798-1854, Labourer) and Amy/Amelie nee ROBERTS (1803-abt 1865).
Married Harriet LEWIS at Saint Giles, Reading, Berkshire, England 5 Feb 1855.
Harriet LEWIS, born abt 1836 at East Hendred, Berkshire, England, daughter of John LEWIS (1799-1866, Ag Lab) and Dinah TABOR/TEABOR (1794-1839).
Isaac and Harriet sailed with daughter from Port of Southampton to Sydney, New South Wales on the 'Beejapore'. Date of departure: 2nd December 1856. Date of arrival: 14th March 1857. Sailed with their married siblings James CASTLE and Leah LEWIS.
Mary Ann, bapitised 24 Feb 1856 at East Hendred, Berkshire, England. Died at sea abt 1856.
Alice Ann, born 25 May 1857 at Enmore, NSW. Married 1885 to John INGLIS at Coonamble, NSW. Died 1920 at Carcoar, NSW.
William Charles, born 1859 at Bathurst, NSW. Married 1887 to Emily Ann Potter at Binni Creek, Cowra, NSW. Died 1927, late of Paddington NSW.
Leah Ann, born 1860 at Bathurst, NSW. Married to James ARMSTRONG at West Macquarie, NSW. Died 1911 Murrumburrah, NSW.
Jacob, born 1862 at Bathurst, NSW. Died 1862 at Dennis Island, NSW.
Amy, born 1864 at Black Rock, Bathurst, NSW. Married 1884 to Samuel Litson BORDER at Binni Creek, Cowra, NSW. Died 1940, late of Paddington NSW.
Jacob, born 1866 at Cowra, NSW. Married 1891 to Flora MCKENZIE at Cowra, NSW. Died 1940 at Cowra, NSW.
Abraham, born 1872 at Bathurst, NSW. Died 1872 at Apsley, Bathurst, NSW.
Isaac James, born 1872 at Bathurst, NSW. Died 1872 at Apsley, Bathurst, NSW.
Death of Harriet nee LEWIS not yet determined, but it is known that she predeceased Isaac CASTLE by a significant period of time.
Isaac CASTLE died 1911, Cowra District Hospital, Cowra, NSW.
Most sources are the NSW BDM indexes, and in some cases the actual certificates themselves. Spelling varies - Castle, Castles, Cassell mainly. Death of Abraham and Isaac from the Bathurst Lonely Graves Register.