| Name: | Whitadder |
| Gender: | Bitch |
| DOB: | |
| Colour: | |
| Owner(s): | |
| Breeder: | Brown, F. |
| Mac (D) 01-05-1920 | Jay (D) | Unknown | Unknown |
| Unknown | |||
| Unknown | Unknown | ||
| Unknown | |||
| Gill (B) | Unknown | Unknown | |
| Unknown | |||
| Unknown | Unknown | ||
| Unknown | |||
| Mousin' Judy (B) 15-04-1921 | Langholm Pincher (D) | Unknown | Unknown |
| Unknown | |||
| Unknown | Unknown | ||
| Unknown | |||
| Langholm Lady (B) | Langholm Bobs (D) | Unknown | |
| Unknown | |||
| Lady West (u&u) (B) | Unknown | ||
| Unknown |