| Sons | Grand-sons | |
Bridget O' Flannigan   British Stone x Merry Kate |
Hefty Young Mike  Richard Penfold x Bridget O' Flannigan |
Hefty Son O' Mike (uk-usa)   Hefty Young Mike x Hefty Begum Hefty Young Mike x Hefty Begum |
| Kitty O'Flannigan Rival Stone x Bridget O' Flannigan |
Lulu De Fiona  Bandit Cherokee De Sanlatine x Kitty O'flannigan Bandit Cherokee De Sanlatine x Kitty O'flannigan |
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Mike O' Flannigan (uk-usa)  Rival Stone x Bridget O' Flannigan |
Beauty L Mike O' Flannigan (uk-usa) x Flora M Mike O' Flannigan (uk-usa) x Flora M |
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| Blukie Mike O' Flannigan (uk-usa) x Patricia I V (usa) Mike O' Flannigan (uk-usa) x Patricia I V (usa) |
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| Dolly Te Na I I Mike O' Flannigan (uk-usa) x Patricia I V (usa) Mike O' Flannigan (uk-usa) x Patricia I V (usa) |
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| Douglas O' Flannigan Mike O' Flannigan (uk-usa) x Flora M Mike O' Flannigan (uk-usa) x Flora M |
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| Guthrie Vanity Fair Mike O' Flannigan (uk-usa) x Queen Monarch Mike O' Flannigan (uk-usa) x Queen Monarch |
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| Joel Cammings Mike O' Flannigan (uk-usa) x Patricia I V (usa) Mike O' Flannigan (uk-usa) x Patricia I V (usa) |
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| Lady Fatima I I Mike O' Flannigan (uk-usa) x Queen Monarch Mike O' Flannigan (uk-usa) x Queen Monarch |
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Lancashire Lass (can)  Mike O' Flannigan (uk-usa) x Duchess Of Elgin Mike O' Flannigan (uk-usa) x Duchess Of Elgin |
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| Mike O' Flannigan Jr (can 1918) Mike O' Flannigan (uk-usa) x Duchess Of Elgin Mike O' Flannigan (uk-usa) x Duchess Of Elgin |
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| Nancy O' Flannigan Mike O' Flannigan (uk-usa) x Flora M Mike O' Flannigan (uk-usa) x Flora M |
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| Oak Wall Biddy O' Flannigan Mike O' Flannigan (uk-usa) x Queen ( Oakley) Mike O' Flannigan (uk-usa) x Queen ( Oakley) |
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| Oak Wall Katie O' Flannigan Mike O' Flannigan (uk-usa) x Queen ( Oakley) Mike O' Flannigan (uk-usa) x Queen ( Oakley) |
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| Oak Wall Mike O' Flannigan Jr (uk-usa) Mike O' Flannigan (uk-usa) x Snuffy Westall Mike O' Flannigan (uk-usa) x Snuffy Westall |
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| Oak Wall Molly O' Flannigan Mike O' Flannigan (uk-usa) x Queen ( Oakley) Mike O' Flannigan (uk-usa) x Queen ( Oakley) |
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| Paddy O' Flannigan Mike O' Flannigan (uk-usa) x Queen Monarch Mike O' Flannigan (uk-usa) x Queen Monarch |
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| Pat O' Brien Mike O' Flannigan (uk-usa) x Queen Monarch Mike O' Flannigan (uk-usa) x Queen Monarch |
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| Pat O' Flannigan Mike O' Flannigan (uk-usa) x Flora M Mike O' Flannigan (uk-usa) x Flora M |
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| Sylvia Westall Mike O' Flannigan (uk-usa) x Chineham Kashmira Mike O' Flannigan (uk-usa) x Chineham Kashmira |
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| Texas O' Flannigan Mike O' Flannigan (uk-usa) x Texas I I Mike O' Flannigan (uk-usa) x Texas I I |
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| White Star Westall Mike O' Flannigan (uk-usa) x Snuffy Westall Mike O' Flannigan (uk-usa) x Snuffy Westall |