| Ejemplar | Hijos | Nietos |
Hefty Son O' Mike (uk-usa)    Hefty Young Mike x Hefty Begum |
Astonian Hetty   Hefty Son O' Mike (uk-usa) x Witton Queen |
Magnet Maggie Rooney (uk-usa) Caulfield Matchless Prince (uk-usa) x Astonian Hetty |
Brynhyfryd Gipsy Girl  Hefty Son O' Mike (uk-usa) x Lady Tams |
||
| Brynhyfryd Hefty Billy Hefty Son O' Mike (uk-usa) x Lady Tams |
Brynhyfryd Rose Marie Brynhyfryd Hefty Billy x Lady Byng I I |
|
| Lady Hefty Peggy Brynhyfryd Hefty Billy x Lady Byng I I |
||
| Brynhyfryd Hefty Princess Hefty Son O' Mike (uk-usa) x Lady Tams |
||
| Brynhyfryd Sweetheart Hefty Son O' Mike (uk-usa) x Lady Tams |
Ash Lea Queen Brynhyfryd Smasher x Brynhyfryd Sweetheart |
|
| Brynhyfryd Heartsease Brynhyfryd Smasher x Brynhyfryd Sweetheart |
||
| Brynhyfryd Lady Ermine Brynhyfryd Smasher x Brynhyfryd Sweetheart |
||
| Brynhyfryd Mary Brynhyfryd Smasher x Brynhyfryd Sweetheart |
||
| Brynhyfryd Old Dutch Brynhyfryd Smasher x Brynhyfryd Sweetheart |
||
| Buster V (can) Brynhyfryd Smasher x Brynhyfryd Sweetheart |
||
| Cora (uk 1925) Hefty Son O' Mike (uk-usa) x Ruby (uk 1923) |
O' Donovan Becher (uk-can) Hollycroft Blunderer x Cora (uk 1925) |
|
| Duke Of Nangeosted Hefty Son O' Mike (uk-usa) x President Judy |
||
| Duke Of Roxbury Hefty Son O' Mike (uk-usa) x Newington Banshee Of Tildale (uk-usa) |
Bitsy Girl Duke Of Roxbury x Sally Tidwell |
|
| Bogard Show'em Duke Of Roxbury x Sally Tidwell |
||
| Duke Bunco Duke Of Roxbury x Roxburne Duchess |
||
| Independent Mike Duke Of Roxbury x Lady Ward |
||
| Junko (usa 1923) Duke Of Roxbury x Roxburne Duchess |
||
| Muggins Son O' Roxbury Duke Of Roxbury x Roxbourne Duchess |
||
| Oklahoma Jiggs Duke Of Roxbury x Princess Brookside |
||
| Roxbourne Infatuation Duke Of Roxbury x Princess Brookside |
||
| Roxbourne Lady Belle Duke Of Roxbury x Princess Brookside |
||
| Sally Tidbits Duke Of Roxbury x Sally Tidwell |
||
| Fernstone Hefty Mike Hefty Son O' Mike (uk-usa) x Brynhyfryd Nana |
Bullens Mugsy Fernstone Hefty Mike x Lump Of Gold |
|
| Field Sturdy Mike Fernstone Hefty Mike x Lump Of Gold |
||
| Mistress Diana Fernstone Hefty Mike x Lump Of Gold |
||
| Queen X I I I Fernstone Hefty Mike x Lump Of Gold |
||
| Wynnewood Dorley Fernstone Hefty Mike x Lump Of Gold |
||
| Gentle Mary (uk 1921) Hefty Son O' Mike (uk-usa) x Eastham Marchioness |
||
| Georgia Peach Stone Hefty Son O' Mike (uk-usa) x Newington Queen (usa) |
||
| Gloria Swanson Hefty Son O' Mike (uk-usa) x Lady Chancellor I I |
Clanton Wild Flower Newing Paratus x Gloria Swanson |
|
| Hefty Biddy Hefty Son O' Mike (uk-usa) x Hefty Pixie |
Hefty Samson (uk-can)  Caulfield Monarch x Hefty Biddy |
|
Hefty Sincerity (uk-usa)  Caulfield Monarch x Hefty Biddy |
||
| Hefty Sweet Duchess (uk-usa) Caulfield Monarch x Hefty Biddy |
||
| Hefty Boy (usa 1923) Hefty Son O' Mike (uk-usa) x Boltonia Beauty |
||
| Hefty Duke (usa 1924) Hefty Son O' Mike (uk-usa) x President Judy |
||
| Hefty Grandson Of Mike Hefty Son O' Mike (uk-usa) x Boltonia Beauty |
English Master Hefty Grandson Of Mike x Leister Butcher Girl O' Roxton |
|
| Hefty Roxton (usa) Hefty Grandson Of Mike x Roxton Maggie ( Leister Butcher Girl O' Roxton) |
||
| Leister Mickey Girl Hefty Grandson Of Mike x Roxton Maggie ( Leister Butcher Girl O' Roxton) |
||
| Mickey Jewel Hefty Grandson Of Mike x Leister Butcher Girl O' Roxton |
||
| Woodlyn Lady Mickey Hefty Grandson Of Mike x Roxton Maggie ( Leister Butcher Girl O' Roxton) |
||
| Hefty Jiggs Hefty Son O' Mike (uk-usa) x Winnie Winkle (usa 1921) |
Louana Rowdy Boy Hefty Jiggs x Louana |
|
| Luana Lillith Hefty Jiggs x Louana |
||
Hefty Master Grumpy  Hefty Son O' Mike (uk-usa) x Hefty Tradition |
Hefty Master Hefty Master Grumpy x Badminton Babs |
|
| Novo Maisie Hefty Master Grumpy x Silent Mollie Of Clough |
||
| Rosy Rapture Hefty Master Grumpy x Lady Wilburs |
||
| Sir Tranqull Grumpy Hefty Master Grumpy x Katusha |
||
| Son O' Grumpy Hefty Master Grumpy x Lady Wilburs |
||
| Tytherington Gwen Hefty Master Grumpy x Tytherington Lady |
||
| Hefty Mike Double Hefty Son O' Mike (uk-usa) x Mondiofield Pansy |
Beelzebub Husky Mike Hefty Mike Double x Guess (can-usa 1923) |
|
| Husky Mike Hefty Mike Double x Guess (can-usa 1923) |
||
| Lord Peter Son Of Mike Hefty Mike Double x Guess (can-usa 1923) |
||
| Lord Roberts I X Hefty Mike Double x Empire Tierney |
||
| Peter Pan (usa 1926) Hefty Mike Double x Guess (can-usa 1923) |
||
| Hefty Queen (usa 1922) Hefty Son O' Mike (uk-usa) x Newington Banshee Of Tildale (uk-usa) |
||
| Hefty Success Hefty Son O' Mike (uk-usa) x Hefty Tradition |
Bellehatch Lena The Jabberwock x Hefty Success |
|
| Newington Star Turn Fair Isle x Hefty Success |
||
| The Snark Of Bellehatch The Jabberwock x Hefty Success |
||
| Hootch Hefty Son O' Mike (uk-usa) x Daisy King |
||
| John Bull Esg Hefty Son O' Mike (uk-usa) x Lady Judith (usa 1921) |
Lady Bull (usa 1925) John Bull Esg x Little Sister I I |
|
| Lady Betty (usa 1922) Hefty Son O' Mike (uk-usa) x Lady Judith (usa 1921) |
||
| Lady Sahara Hefty Son O' Mike (uk-usa) x Newington Queen (usa) |
General Buller I I I Captain Doleful x Lady Sahara |
|
| Madam Poppy Hefty Son O' Mike (uk-usa) x Media Redner |
Bestyette Jim Cracker Tam Betsyette x Madam Poppy |
|
| Countess Topsy Ch Upton Boy I I x Madam Poppy |
||
| Flipper Flapper Tam Betsyette x Madam Poppy |
||
| Hefty Spark Plug Ch Upton Boy I I x Madam Poppy |
||
| Mollie The Midget Tam Betsyette x Madam Poppy |
||
| Mushface Glory Ch Upton Boy I I x Madam Poppy |
||
| Phoebe (usa 1923) Ch Upton Boy I I x Madam Poppy |
||
| Steve Girl Tam Betsyette x Madam Poppy |
||
| Marcia Hefty Son O' Mike (uk-usa) x Lady Chancellor I I |
Mike The Great Mike Savage x Marcia |
|
| Miss Hefty Hefty Son O' Mike (uk-usa) x Brynhyfryd Nana |
||
| Miss Hefty Boltonia Hefty Son O' Mike (uk-usa) x Lady Chancellor I I |
Little Sister I I Ivan Teg x Miss Hefty Boltonia |
|
| Prince Of Dyfed Ivan Teg x Miss Hefty Boltonia |
||
| Mosele Huddle Hefty Son O' Mike (uk-usa) x Chalfonte Rose |
||
| Royal Joker Hefty Son O' Mike (uk-usa) x Lady Judith (usa 1921) |
||
| Sesqui Queen Hefty Son O' Mike (uk-usa) x Newington Queen (usa) |
||
| Silent Knight I I I Hefty Son O' Mike (uk-usa) x Princess Bess (usa 1924) |
||
| Tex Reckard Hefty Son O' Mike (uk-usa) x Lady Chancellor I I |
||
| Tug O' War (usa 1922) Hefty Son O' Mike (uk-usa) x Daisy King |
||
| Westdorf Son O' Mike Hefty Son O' Mike (uk-usa) x Winnie Winkle (usa 1921) |
Topmiller O' Mike Baby Westdorf Son O' Mike x Auburncrest Bituminus Baby |
|
| Westdorf Auburncrest Bituminus Baby Westdorf Son O' Mike x Auburncrest Bituminus Baby |
||
| Wild Wild Susan Hefty Son O' Mike (uk-usa) x Peggy M (usa 1922) |
Huntingdon Lady Fernstone Monarch x Wild Wild Susan |
|
| Wonderful Pal Hefty Son O' Mike (uk-usa) x Lady Chancellor I I |