Russellville's Sgt. Jack Steel

Breeder: not recorded
Kennel: Russellville's
Sire: Russellville's Ironjack Icon
Dam: Russellville's Mrs. Jack Mackenzie
Call name: Storm
Gender: Male
Date of birth: not recorded
Country of birth: Sweden
Country of standing: France

Size: 28 cm (11 in)
Colour: White & Tan · Tricolour carrier
Coat: Rough
DNA tests: PLL-A, LOA, SCA & DM: Clear
Patella: Grade 0
Dentition: Scissor bite, full dentition
Breeding status: Retired

Genetic indicators

COI — inbreeding

No common ancestor over 5 generations.

AVK — distinct ancestors

71%

44 distinct ancestors out of 62 possible. Among known ancestors only: 95.7%.

Pedigree completeness

74.2%

16 empty slots. The AVK takes them into account, so read both figures together.

Value for the breed's diversity

Rare pedigree — rarer than 84% of the Jack Russells born in the last 15 years (since 2012)

How often its ancestors (over 10 generations) appear in the pedigrees of the 253 recent dogs: using dogs with a rare pedigree helps keep diversity in the breed. Over: 6 generations 8 generations 10 generations

How these figures are calculated

COI — Wright's formula: F = Σ (½)^n₁+n₂+1 × (1 + F_A), summed over every path through a common ancestor A. The number of generations must be fixed for two dogs to be comparable: a more complete pedigree mechanically raises the figure.

AVK — distinct ancestors divided by the theoretical number of ancestors. Over 5 generations there are 62 possible slots. 100% means no ancestor appears twice.

Completeness — the share of slots actually filled in. The AVK is misleading without it: a half-empty pedigree shows a low AVK even with no inbreeding at all, simply because data is missing.

Pedigree

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Parents

Grandparents

Great-grandparents

N UCHRussellville's Ironjack Icon ♂White & Tan · 2011

Sweden

NORD FI LA LT UCH N J(H)CHVitsudden Tjatte ♂

Otwaymist Opal Matrix ♂

Australia J Se Uch Vitsuddens Grace ♀N DK UchOur Sweetheart Boogie-Woogie ♀

N UCHBluebonnet's Cape Otway ♂White & Tan · 2005

Sweden Dorte-Martina Tik-Tik ♀

Denmark Russellville's Mrs. Jack Mackenzie ♀

Sweden

Carisbrooke Chester ♂White & Tan

Sweden Mahkoolma Jack Marks ♂

Australia

Carisbrooke Mary Anne ♀

Australia Quai's Hang With Me ♀

Unknown

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Generations Photos

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Offspring and relatives

Grouped by litter, with both parents at the top of each block. Click to see the puppies of a dog.

Direct offspring 1 litter · 1 dog

Litter of 8 April 2025Russellville's Sgt. Jack Steel×Panthera du Bois de Compiegne1 ♀

♀ Alola Edition du Bois de CompiegneWhite & Tan · Born & living in FrancePLL-A ClearLOA ClearSCA ClearDM ClearPatella 0Full dentition

Half-siblings, sire's side 1 litter · 1 dog

Litter date not recordedRussellville's Ironjack Icon×Totgree's Mary Poppins1 ♀

♀ Totgree's Dimmi di SiWhite & Tan · Born & living in Italy