١٩٩٠–♂ Zachary Barrett Roydhouse | | |
| | ١٩٤٧–♂ John Douglas Roydhouse | | | | ١٩٢٣–٢٠١١♂ Donald Jack Roydhouse | | | | ١٨٩٢–١٩٨٦♂ Jack Roydhouse ١٨٩٦–١٩٧٠♀ Kathleen Ivy Finlay | | | | ١٨٦٨–١٩٣١♂ John Charles Roydhouse | | | | ١٨٣٢–١٩٠٨♂ William John Roydhouse ١٨٣٢–١٩٠٨♀ Mary Johns Jordan | | |
| | | ١٨٢٨–١٨٨٤♀ Mary Ann Mollard |
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