Bonnie Obo
Bonnie Obo Pete Obo |  Black Pete | Obo Jr | Farrow's Obo |
| Farrow's Nellie | |||
| Phonsie | Obo II Website : http://www.asc-cockerspaniel.org/history/histoobo.asp | ||
| Blackie III (Watermark x Blackie II) | |||
| Miss Ginger | Obo II Website : http://www.asc-cockerspaniel.org/history/histoobo.asp | Farrow's Obo | |
| Pitchers Chloe II | |||
| Blackie III (Watermark x Blackie II) | Watermark (Brush II) | ||
| Blackie II (Beau x Blackie) | |||
| Floss B (Zulu x Sweep) | Unknown | Unknown | Unknown |
| Unknown | |||
| Unknown | Unknown | ||
| Unknown | |||
| Unknown | Unknown | Unknown | |
| Unknown | |||
| Unknown | Unknown | ||
| Unknown | |||