| Name: | Jock (sire of Ivo Roisterer) |
| Gender: | Dog |
| DOB: | |
| Colour: | |
| Owner(s): | |
| Breeder: |
| Flint (Stud Book No 841 AA) (D) 20-02-1919 Colour: Sandy | CH Ivo Roisterer (mick) (D) 12-08-1915 Colour: Dark Red | Jock (unr) (D) | Flint (gb-05) (D) |
| Wasp (gb-10) (B) | |||
| Flossie (c.1913) (B) 01-01-1913 | Jim (uu) (D) | ||
| Floss I Unr & Unt (dam of Flossie) c.1910 (B) | |||
| Coquetdale VIC (B) 27-02-1916 Colour: Red | Barrow Jock (D) 10-03-1913 | Mack (uu) (D) | |
| Nettle (uu) (B) | |||
| Nailer II (B) | Rock (D) | ||
| Nailer I (B) | |||
| Wasp (U&U) Mr A Robson's c. 1912 (B) Colour: Unknown | Unknown | Unknown | Unknown |
| Unknown | |||
| Unknown | Unknown | ||
| Unknown | |||
| Unknown | Unknown | Unknown | |
| Unknown | |||
| Unknown | Unknown | ||
| Unknown |