–♂ Wouter Joost Casper Lambrechtsen Ing 1948–♀ June Helen Urquhart | | | | 1886–1960♂ William John Roydhouse Urquhart | | | | 1863–1924♂ Alexander Hugh Fraser Urquhart 1865–1917♀ Matilda Jane Roydhouse | | | | 1820–1895♂ William Urquhart 1822–1905♀ Jessie Janet Fraser | | |
| | | 1832–1908♂ William John Roydhouse 1832–1908♀ Mary Johns Jordan | | | | 1772–1851♂ Thomas Roydhouse | | |
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