| Sons | Grand-sons | |
Oshawa Lassie   Toronto Lad (uk-can) x Topsy Turvy (can 1916) |
Argo I I  Dick Turpin I I (can 1919) x Oshawa Lassie |
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| Ellice Prince Dick Turpin I I (can 1919) x Oshawa Lassie |
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| Hefty Lassie Hefty Monarch (uk-can) x Oshawa Lassie |
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| Hermitage Laddie Hefty Monarch (uk-can) x Oshawa Lassie |
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| Oshawa Betsy Dick Turpin I I (can 1919) x Oshawa Lassie |
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| Oshawa Boy Prince Albert Double (uk-can) x Oshawa Lassie |
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| Oshawa Girl Prince Albert Double (uk-can) x Oshawa Lassie |
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Oshawa Judith  Dick Turpin I I (can 1919) x Oshawa Lassie |
Bob Don Buddy Dauntless Dan Beach Park x Oshawa Judith |
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| Prince Pal I I Dauntless Dan Beach Park x Oshawa Judith |
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| Princess Pat I I (can-usa) Dauntless Dan Beach Park x Oshawa Judith |
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| Tut Tank Kilburn Tank (uk-can) x Oshawa Judith |
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| Topsy B Prince Albert Double (uk-can) x Oshawa Lassie |
Spanaway Autumn Gold Osgood Crusader x Topsy B |
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| Spanaway Calla Lilly Osgood Crusader x Topsy B |
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| Spanaway King Dolan Osgood Crusader x Topsy B |
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| Spanaway Ramola Osgood Crusader x Topsy B |
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| Valentine Belle Prince Albert Double (uk-can) x Oshawa Lassie |
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| Valentine Vox Prince Albert Double (uk-can) x Oshawa Lassie |