Rosabella (Red Leo x Vic)
Rosabella (Red Leo x Vic) Hamilton Red Leo | Red Roland | Brantford Red Jacket |  Brant (Sir Obo) |
| Woodstock Dinah | |||
 Pearl (Hector x Black Meg) | Hector | ||
| Black Meg (Beau x Black Bess II) | |||
| Mona (Red Jacket x Ula) | Brantford Red Jacket | Brant (Sir Obo) | |
| Woodstock Dinah | |||
| Ula (Brant x Busy) | Brant (Sir Obo) | ||
| Niven's Busy | |||
| Vic (Bronte x Black Busy II) | Bronte | Brant (Sir Obo) | Obo II Website : http://www.asc-cockerspaniel.org/history/histoobo.asp |
| Blackie III (Watermark x Blackie II) | |||
 Mollie Brant | Obo Jr | ||
| Devon Beauty | |||
| Black Busy II | Unknown | Unknown | |
| Unknown | |||
| Unknown | Unknown | ||
| Unknown | |||