Red Mike (Hamilton Jack x Hiata)
Red Mike (Hamilton Jack x Hiata) Hamilton Jack |  Victor (Wildair x Nellie) | Wildair | Whitman's Doctor |
| Waddell's Josie | |||
| Nellie (Doctor x Josie) | Whitman's Doctor | ||
| Waddell's Josie | |||
| Hamilton Jet | Little Red Rover |  Obo IISite Web : http://www.asc-cockerspaniel.org/history/histoobo.asp | |
| Woodstock Dinah | |||
| Spunkey (Wilkes Obo x Black Flash) | Wilkes Obo | ||
| Black Flash (Obo II x Critic) | |||
| Hiata (? x ?) | Inconnu | Inconnu | Inconnu |
| Inconnu | |||
| Inconnu | Inconnu | ||
| Inconnu | |||
| Inconnu | Inconnu | Inconnu | |
| Inconnu | |||
| Inconnu | Inconnu | ||
| Inconnu | |||