| Sons | Grand-sons | |
Hefty Defender   Hefty Monarch (uk-can) x Rodney Lass (can) |
Beauty Beresford  Hefty Defender x Lady Betty Beresford |
Betty Co Ed Marwell Shamrock x Beauty Beresford |
| Derbyshire Beauty Hefty Defender x Derbyshire Queen (uk-can) |
Derbyshire Baby Merry Monarchist x Derbyshire Beauty |
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| Dominion Fearless Hefty Defender x Streetsville Betty |
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| Garry Beresford Hefty Defender x Lady Betty Beresford |
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Glenarden Betsy Trottwood  Hefty Defender x Streetsville Beauty |
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| Glenarden Billy Hefty Defender x Streetsville Betty |
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| Glenarden Dream Maid Hefty Defender x Streetsville Betty |
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| Glenarden Iron Duke Hefty Defender x Streetsville Beauty |
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| Glenarden King Hefty Defender x Streetsville Beauty |
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| Glenarden Lady Brilliant Hefty Defender x Streetsville Beauty |
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| Glenarden Lady Joan Hefty Defender x Streetsville Beauty |
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| Glenarden Likely Lady Hefty Defender x Streetsville Betty |
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| Glenarden Lorraine Hefty Defender x Streetsville Betty |
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| Glenarden Maid Marion Hefty Defender x Streetsville Beauty |
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| Glenarden Ringleader Hefty Defender x Streetsville Beauty |
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| Glenarden Viceroy Hefty Defender x Streetsville Beauty |
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| Glenarden White Count Hefty Defender x Streetsville Beauty |
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| Hefty Nuisance Hefty Defender x Princess Bessie (can) |
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| Lady Supreme (can) Hefty Defender x Lady Betty Beresford |
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| Pig Skin Peter Hefty Defender x Princess Bessie (can) |
Lady Bright Day Pig Skin Peter x Lady Jean (can) |
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| Lord Dumpumkin Pig Skin Peter x Lady Jean (can) |
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| Mussy O' Hearts Desire Pig Skin Peter x Lady Jean (can) |
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| Princess Molly Hefty Defender x Princess Bessie (can) |
Byng Of Rose Brae Ch Crewe So Favourite (uk-can) x Princess Molly |
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| Crewe So Fearless Ch Crewe So Favourite (uk-can) x Princess Molly |
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| Crewe So Molly Ch Crewe So Favourite (uk-can) x Princess Molly |
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| Pressgang (can) Ch Crewe So Favourite (uk-can) x Princess Molly |
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| Princess Debora Chumleigh Doctor x Princess Molly |
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| Princess Reta Chumleigh Doctor x Princess Molly |
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| Princess Victory Hefty Defender x Princess Bessie (can) |
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| Regal Prince Hefty Defender x Princess Bessie (can) |
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| Scotia Lassie Hefty Defender x Queen Georgina Anne |
Bursley Laddie Bursley Buddy x Scotia Lassie |
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| Scotia Belle Bursley Buddy x Scotia Lassie |
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| Scotia Trixie Bursley Buddy x Scotia Lassie |
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| Sensible King Hefty Defender x Princess Bessie (can) |
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| Streetsville Defender Hefty Defender x Streetsville Pride |
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| Streetsville Girl Hefty Defender x Streetsville Lady |
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| Toronto Lady Hefty Defender x Streetsville Pride |
Ch Dewhurst Dan   Blighty Bursley x Toronto Lady |
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| Dewhurst Durham Blighty Bursley x Toronto Lady |
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| Dewhurst Master Fred Blighty Bursley x Toronto Lady |
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| Dewhurst Sister O' Dan Blighty Bursley x Toronto Lady |
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| Dewhurst Spiderine Blighty Bursley x Toronto Lady |
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| Dewhurst Vera Blighty Bursley x Toronto Lady |
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| Dyment Sergeant Blighty Bursley x Toronto Lady |
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| Hawthorne Hustler Blighty Bursley x Toronto Lady |
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| Herbs Own Boy Blighty Bursley x Toronto Lady |
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| Pickering Polly Blighty Bursley x Toronto Lady |
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| Prince Im Alone Bonhomie Prince x Toronto Lady |
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| Tunney (can 1927) Hefty Defender x Streetsville Pride |