| | Ivor John Grist |  | | B: | 12 Jul 1894 | | P: | Swansea, Glamorgan, Wales | | M: | Jan 1916 | | P: | Swansea, Glamorganshire, England | | D: | Dec 1973 | | P: | Swansea, Glamorganshire, Wales |
| | William Lewis Grist | | | B: | Jul 1857 | | P: | Tredegarville, Glamorgan, Wales | | M: | Between and Jul 1876 | | P: | Swansea | | D: | Mar 1938 | | P: | Swansea, Glamorgan, Wales |
| | Benjamin John Grist | | | B: | 1823 | | P: | Warminster, Wiltshire, England | | M: | Oct 1856 | | P: | Abergavenny, Monmouthshire, Wales | | D: | 13 Nov 1906 | | P: | Westbury, Wiltshire, England |
| | Joseph Grist | => | | | B: | Jun 1776 | | P: | Warminster, Wiltshire, England | | M: | 14 Nov 1818 | | P: | Saint Denys, Warminster, Wiltshire, England | | D: | 3 Feb 1855 | | P: | Warminster, Wiltshire, England |
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