| Sons | Grand-sons | |
Merlin Doctor (uk-usa)   Merlin Crib x Balham Grace |
Bell D  Merlin Doctor (uk-usa) x Centaur Lassie |
St Patrick I I I Prince (uk-usa 209620) x Bell D Prince (uk-usa 209620) x Bell D |
| Donna White Croft Maier Merlin Doctor (uk-usa) x Whitecroft Girl |
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| Flora Cline Merlin Doctor (uk-usa) x Centaur Lassie |
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| Georgetown Lusie Merlin Doctor (uk-usa) x Centaur Lassie |
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| Jean (usa) Merlin Doctor (uk-usa) x Centaur Lassie |
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| Merlin Belle Merlin Doctor (uk-usa) x Centaur Lassie |
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| Merlin Matchless Merlin Doctor (uk-usa) x Whitecroft Girl |
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| Queen Elizabeth I I (usa) Merlin Doctor (uk-usa) x Lady Corybantes |
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| Queenie Merlin Merlin Doctor (uk-usa) x Mahomet Atlantic Maid |
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| Whitecroft Doctor Merlin Doctor (uk-usa) x Whitecroft Girl |