| Sons | Grand-sons | |
Gainsborough Challenger   Ch Midwick White Knight x Gainsborough Susie |
Blanco Joan  Gainsborough Challenger x Venetian Magee |
Colonel Tuffy Of San Antonio Colonel Kingston Mandalay x Blanco Joan Colonel Kingston Mandalay x Blanco Joan |
| Joan Lady Bridget Colonel Kingston Mandalay x Blanco Joan Colonel Kingston Mandalay x Blanco Joan |
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| Gainsborough Jo Gainsborough Challenger x Gainsborough Patsy |
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| Gainsborough Maid Gainsborough Challenger x Lady Dione |
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| Gay White Knight Gainsborough Challenger x Mistress Maggie Jiggs |
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| Oagee Gainsborough Challenger x Venetian Magee |
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| Percy Lionheart Gainsborough Challenger x Lady Luck Saint Domingo Duke |