Darkie Obo L (Laddie III x Flossie)
Darkie Obo L (Laddie III x Flossie) Laddie III |  Laddie II (Laddie x Flossie) |  Laddie (Commodore x Golden Duchess) |  Commodore | Red Roland | Brantford Red Jacket | Brant (Sir Obo) |
| Woodstock Dinah | ||||||
| Pearl (Hector x Black Meg) | Hector | |||||
| Black Meg (Beau x Black Bess II) | ||||||
| Ula (Brant x Busy) | Brant (Sir Obo) | Obo II Site Web : http://www.asc-cockerspaniel.org/history/histoobo.asp | ||||
| Blackie III (Watermark x Blackie II) | ||||||
| Niven's Busy | Myke (Frank x Nellie) | |||||
| Nancy (US) (? x ?) | ||||||
| Golden Duchess | King Raven | Black Duke | Obo II Site Web : http://www.asc-cockerspaniel.org/history/histoobo.asp | |||
| Woodland Queen | ||||||
| Topsy S (Searles' Topsy) | Black Graf | |||||
| Chien (Chein) (Hector x Black Meg) | ||||||
| Niven's Busy | Myke (Frank x Nellie) | Frank (Frank x Nell) | ||||
| Lawson's Nellie (Niven's Nellie) | ||||||
| Nancy (US) (? x ?) | Inconnu | |||||
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| Flossie (Prince x Gyp) | Prince (Chancler x Red Ruby) | Inconnu | Inconnu | Inconnu | ||
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| Gyp (Brant x Black Busy) | Inconnu | Inconnu | Inconnu | |||
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| Simcoe Cora | Von Hood | King Of Obo's | Obo II Site Web : http://www.asc-cockerspaniel.org/history/histoobo.asp | Farrow's Obo | Farrow's Fred | |
 Farrow's Betty | ||||||
| Pitchers Chloe II | Bullock's Dash | |||||
| Bullock's Nellie | ||||||
| Darkie I (Beau x Blackie) | Easten's Beau | Boulton's Rolf | ||||
| Boulton's Belle | ||||||
| Easten's Blackie | Boulton's Rolf | |||||
| Boulton's Belle | ||||||
| Little Red Riding Hood | Obo II Site Web : http://www.asc-cockerspaniel.org/history/histoobo.asp | Farrow's Obo | Farrow's Fred | |||
| Farrow's Betty | ||||||
| Pitchers Chloe II | Bullock's Dash | |||||
| Bullock's Nellie | ||||||
| Belle Of Toronto | Black Graf | Obo II Site Web : http://www.asc-cockerspaniel.org/history/histoobo.asp | ||||
| Critic (Watermark x Blackie II) | ||||||
| Strathaven | Easten's Beau | |||||
| Creole (Grouse x Nell) | ||||||
| The Village Bell | King Of Obo's | Obo II Site Web : http://www.asc-cockerspaniel.org/history/histoobo.asp | Farrow's Obo | Farrow's Fred | ||
| Farrow's Betty | ||||||
| Pitchers Chloe II | Bullock's Dash | |||||
| Bullock's Nellie | ||||||
| Darkie I (Beau x Blackie) | Easten's Beau | Boulton's Rolf | ||||
| Boulton's Belle | ||||||
| Easten's Blackie | Boulton's Rolf | |||||
| Boulton's Belle | ||||||
| Nettie (Can) (? x ?) | Inconnu | Inconnu | Inconnu | |||
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