Ringbred Royal Ruby

COI 8 gen: 31.699%
Descendant from: M

Ringbred Red Fury

COI 8 gen: 11.023%
Descendant from: M Line (via sires)

ZA Ch.
Tenacious Kojak Of Tutoris

White and Red
COI 8 gen: 8.253%
South Africa  
Descendant from: M Line (via sires)

ZA Ch.
Magliam The Bronx Bull Of Tenacious

Red and White
COI 8 gen: 14.802%
South Africa  1979
Descendant from: M Line (via sires)

Tenacious Hazel

COI 8 gen: 2.804%
Descendant from: M Line (via sires)

ch
Tenacious Contessa Of Ringbred

COI 8 gen: 6.283%
Descendant from: M Line (via sires)

Ventas Pied Piper Of Tenacious

Red
COI 8 gen: 12.152%
Descendant from: M Line (via sires)

Pitstaff's Felicity Of Tenacious

COI 8 gen: 1.536%
Descendant from: M Line (via sires)

ch
Tenacious Contessa Of Ringbred

COI 8 gen: 6.283%
Descendant from: M Line (via sires)

Ventas Pied Piper Of Tenacious

Red
COI 8 gen: 12.152%
Descendant from: M Line (via sires)

Ch.
Pitbul Red Regent

Red and White
COI 8 gen: 22.162%
1975
Descendant from: M Line (via sires)

Anvils Fire Fly

COI 8 gen: 17.455%
Descendant from: M Line (via sires)

Pitstaff's Felicity Of Tenacious

COI 8 gen: 1.536%
Descendant from: M Line (via sires)

Frandors Son of Boro


Descendant from: M Line (via sires)

Catrin of Linksbury

COI 8 gen: 4.594%
1972
Descendant from: M Line (via sires)