| John Henry PolkinghorneBirth: 21 December 1857 27 20 — Cockatoo Flat, Yankalilla, South Australia, Australia Death: 1936 — Adelaide, South Australia, Australia | Martha PolkinghorneBirth: 2 November 1859 29 22 — Yankalilla, South Australia, Australia Death: 1 August 1923 — Forbes, South Australia, Australia | Edward Thomas PolkinghorneBirth: 10 February 1862 32 25 — Cockatoo Flat, Yankalilla, South Australia, Australia Death: 14 March 1947 — Aldinga, South Australia, Australia | Alfred Edward PolkinghorneBirth: 16 January 1864 34 27 — Cockatoo Flat, Yankalilla, South Australia, Australia Death: 11 August 1864 — Yankalilla, South Australia, Australia | James Henry PolkinghorneBirth: 9 July 1865 35 28 — Cockatoo Flat, Yankalilla, South Australia, Australia Death: 6 April 1866 — Bald Hills, Yankalilla, South Australia, Australia |
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Mary Jane RoweBirth: about 1837 32 39 Death: 11 October 1865 — Yankalilla, South Australia, Australia |
| | | | Edmund RoweBirth: about 1805 Death: 1882 — Adelaide, South Australia, Australia |
| | | Martha TrescothickBirth: about 1798 — Sithney, Cornwall, England Death: between January 1844 and March 1844 |
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