Father |
| Thomas John | between July 1871 and September 1871 |
Mother |
| Sarah Anne Exon | about 1874 |
Sister |
Lily Ceinwen John |
between October 1898 and December 1898 |
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Brother |
William Henry John |
between October 1899 and December 1899 |
|
|
Sister |
Margaret Olwen John |
between January 1901 and March 1901 |
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Brother |
Clifford Thomas John |
between July 1902 and September 1902 |
between July 1902 and September 1902 |
|
Sister |
Hilda May John |
between October 1904 and December 1904 |
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Sister |
Doris Ena John |
about June 1907 |
about May 1909 |
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|
Ethel Mary John |
between January 1910 and March 1910 |
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