١٩٤٨–♀ June Helen Urquhart –♂ Wouter Joost Casper Lambrechtsen Ing | | | | ١٨٨٦–١٩٦٠♂ William John Roydhouse Urquhart | | | | ١٨٦٣–١٩٢٤♂ Alexander Hugh Fraser Urquhart ١٨٦٥–١٩١٧♀ Matilda Jane Roydhouse | | | | ١٨٢٠–١٨٩٥♂ William Urquhart ١٨٢٢–١٩٠٥♀ Jessie Janet Fraser | | |
| | | ١٨٣٢–١٩٠٨♂ William John Roydhouse ١٨٣٢–١٩٠٨♀ Mary Johns Jordan | | | | ١٧٧٢–١٨٥١♂ Thomas Roydhouse | | |
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