١٩٧٠–♂ Stephen Paul Thurlow | | |
| | ١٩٣٩–♀ Joyce K. Roydhouse | | |
| | ١٩٠٨–١٩٩٦♀ Kathleen Ann Cook ١٩٠٧–١٩٧٥♂ Frederick John Richard Thomas Roydhouse | | | | ١٨٧٧–♀ Catherine Ann Kingman |
| | | ١٨٧٥–١٩٣٦♂ Frederick William Roydhouse ١٨٧٦–١٩٠٢♀ Ellen Elizabeth Curtiss ١٨٧١–١٩٣٤♀ Louisa Frances Parker | | | | ١٨٤٤–١٩١٨♂ Joseph Thomas Roydhouse ١٨٤٤–١٩٣٠♀ Charlotte Pocock | | | | ١٨١٦–١٨٤٩♂ Thomas Henry Roydhouse | | | | ١٧٧٢–١٨٥١♂ Thomas Roydhouse | | |
| | | ١٧٧٢–١٨٣٣♂ William Anstiss |
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| | | ١٨٣٨–♂ Joseph David Curtiss |
| | | ١٨٤٦–♂ James Thomas Parker |
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