| | ١٩٠٤–١٩٧٢♂ Frederick Arthur Foulger ١٩٠٦–٢٠٠٧♀ Louisa Charlotte Lillian Roydhouse | | | | ١٨٧٦–♂ Arthur Frederick Foulger ١٨٧٩–♀ Emily Mary A. Boot |
| | | ١٨٧٥–١٩٣٦♂ Frederick William Roydhouse ١٨٧٦–١٩٠٢♀ Ellen Elizabeth Curtiss ١٨٧١–١٩٣٤♀ Louisa Frances Parker | | | | ١٨٤٤–١٩١٨♂ Joseph Thomas Roydhouse ١٨٤٤–١٩٣٠♀ Charlotte Pocock | | |
| | | ١٨٣٨–♂ Joseph David Curtiss |
| | | ١٨٤٦–♂ James Thomas Parker |
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