| Sons | Grand-sons | |
Letchford Mason    Pleasant Bertie x Letchford May |
Beauty Mason  Letchford Mason x Willesden Beauty |
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| Cheshunt Keep Smiling Letchford Mason x Cheshunt Baby |
Nilambe Undaunted Mathomet x Cheshunt Keep Smiling Mathomet x Cheshunt Keep Smiling |
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| Don Alhambra Letchford Mason x Silent Dolly Dimple |
Dundee Czar (scot-usa)  Don Alhambra x Dundee Lady Belle Don Alhambra x Dundee Lady Belle |
|
Dundee Czarina  Don Alhambra x Dundee Lady Belle Don Alhambra x Dundee Lady Belle |
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Elsie Maynard (scot-can)  Don Alhambra x Casilda Don Alhambra x Casilda |
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| Lady Angela (uk-usa) Don Alhambra x Dundee Lady Belle Don Alhambra x Dundee Lady Belle |
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| Duchess of Plaza Toro Letchford Mason x Silent Dolly Dimple |
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| Duke Of Plaza Toro (uk-usa) Letchford Mason x Silent Dolly Dimple |
Buff And Blue Duke Of Plaza Toro (uk-usa) x Swuni Maid Duke Of Plaza Toro (uk-usa) x Swuni Maid |
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| Silent Buff Princess Duke Of Plaza Toro (uk-usa) x Trusty Astoria Duke Of Plaza Toro (uk-usa) x Trusty Astoria |
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Silent Plaza Prince  Duke Of Plaza Toro (uk-usa) x Trusty Astoria Duke Of Plaza Toro (uk-usa) x Trusty Astoria |
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| Lady Victoria (uk) Letchford Mason x Letchford Lassie |
Limehurst Dinah Rowcliffe Pilot x Lady Victoria (uk) Rowcliffe Pilot x Lady Victoria (uk) |
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| Letchford Minnie Letchford Mason x Letchford Lucy |
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| Mason Gold Letchford Mason x Bullsea |
Ospringe Crusader Mason Gold x Beatie Briton Mason Gold x Beatie Briton |
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| Miss Diamond Letchford Mason x Coral |
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| The Secretary Letchford Mason x Bullsea |
Lottie Allotment The Secretary x Whateley Queen The Secretary x Whateley Queen |
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| Tufnell Of Chance Letchford Mason x Letchford Lassie |
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| Tufnell Snowdrop Letchford Mason x Cheshunt Baby |
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| Willesden Dina Letchford Mason x Willesden Beauty |
Pressmore Don Salano Pressmore Viking x Willesden Dina Pressmore Viking x Willesden Dina |
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| Woodcraft Dundee Mason (scot-usa) Letchford Mason x Silent Dolly Dimple |
Highland Queen Woodcraft Dundee Mason (scot-usa) x Highland Madge Woodcraft Dundee Mason (scot-usa) x Highland Madge |
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| Woodcraft Viscountess Woodcraft Dundee Mason (scot-usa) x Highland Madge Woodcraft Dundee Mason (scot-usa) x Highland Madge |