Geschwister von Walker's Polly

Halbgeschwister Mutterlinie

Zuchtstute East Rid Princess (Hackney (Pferd/Pony),  , von Danegelt)

East Rid Princess

Deckhengst Thomas' Rainbow (Hackney (Pferd/Pony),  , von The Norfolk Phenomenon)

Thomas' Rainbow

Zuchtstute Mare by Highflyer (Hackney (Pferd/Pony),  , von Highflyer (Jacobs))

Mare by Highflyer

Zuchtstute Stavely's Mare (Hackney (Pferd/Pony),  , von Harlthorpe Merrylegs)

Stavely's Mare

Zuchtstute Daisy (Hackney (Pferd/Pony),  , von Alonzo the Brave)

Daisy

Zuchtstute Polly (Hackney (Pferd/Pony),  , von Black Rattler)

Polly