Hamilton Red Leo
Hamilton Red Leo Red Roland | Brantford Red Jacket |  Brant (Sir Obo) | Obo II Site Web : http://www.asc-cockerspaniel.org/history/histoobo.asp |
| Blackie III (Watermark x Blackie II) | |||
| Woodstock Dinah |  Kelly's Tippoo | ||
| Toronto Jet | |||
| Pearl (Hector x Black Meg) | Hector | Obo II Site Web : http://www.asc-cockerspaniel.org/history/histoobo.asp | |
| Woodstock Flirt | |||
| Black Meg (Beau x Black Bess II) | Pitchers Beau | ||
| Easten's Black Bess II | |||
| Mona (Red Jacket x Ula) | Brantford Red Jacket | Brant (Sir Obo) | Obo II Site Web : http://www.asc-cockerspaniel.org/history/histoobo.asp |
| Blackie III (Watermark x Blackie II) | |||
| Woodstock Dinah | Kelly's Tippoo | ||
| Toronto Jet | |||
| 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 ?) | |||