Little Rex
Little Rex Omo | Black Duke | Obo II Website : http://www.asc-cockerspaniel.org/history/histoobo.asp | Farrow's Obo |
| Pitchers Chloe II | |||
| Woodland Queen |  Kelly's Tippoo | ||
| Woodstock Queen | |||
| Baby Ruth Website : http://www.asc-cockerspaniel.org/index.php/history/articles-and-artifacts/195-ch-baby-ruth.html | Facination (Obadiah x Amazement) | Obadiah | |
| Amazement | |||
| My Joe | Black Duke | ||
| Barclay's Topsy | |||
| Little Lassie |  Hamilton Red Leo | Red Roland | Brantford Red Jacket |
| Pearl (Hector x Black Meg) | |||
| Mona (Red Jacket x Ula) | Brantford Red Jacket | ||
| Ula (Brant x Busy) | |||
| Jessie (Brant x Topsy W) | Brant (Sir Obo) | Obo II Website : http://www.asc-cockerspaniel.org/history/histoobo.asp | |
| Blackie III (Watermark x Blackie II) | |||
| Topsey W | Brock | ||
| Black Bess (Raven x Busy) | |||