| Sons | Grand-sons | |
Hefty Master Grumpy    Hefty Son O' Mike (uk-usa) x Hefty Tradition |
Hefty Master Hefty Master Grumpy x Badminton Babs |
Bob-a-Link Hefty Master x Maltons Lass Hefty Master x Maltons Lass |
Elaric Peggy  Hefty Master x True Steel Fairy Hefty Master x True Steel Fairy |
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| Timothy Timkins Hefty Master x Malyons Lass Hefty Master x Malyons Lass |
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| Novo Maisie Hefty Master Grumpy x Silent Mollie Of Clough |
Novo Patricia Eng CH Dunscar Draftman x Novo Maisie Eng CH Dunscar Draftman x Novo Maisie |
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| Rosy Rapture Hefty Master Grumpy x Lady Wilburs |
Bond Of Union (uk-usa)   Eng Ch Irish Alaunt x Rosy Rapture Eng Ch Irish Alaunt x Rosy Rapture |
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| Sir Tranqull Grumpy Hefty Master Grumpy x Katusha |
Domi Lass (uk-usa) Sir Tranqull Grumpy x Elusive Elsey Sir Tranqull Grumpy x Elusive Elsey |
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| Gumpy Sir Tranqull Grumpy x Wozzle Sir Tranqull Grumpy x Wozzle |
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| Lazy Lorna Sir Tranqull Grumpy x Lorna Doone (1925) Sir Tranqull Grumpy x Lorna Doone (1925) |
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| Son O' Grumpy Hefty Master Grumpy x Lady Wilburs |
Elspen Doughboy Son O' Grumpy x Alaunt Spitfire Son O' Grumpy x Alaunt Spitfire |