Geschwister von Thornhill Sullivan

Halbgeschwister Vaterlinie

Deckhengst Seaholm Beau (British Riding Pony, 1973, von Tanner Whirlwind)

Seaholm Beau

Zuchtstute Seaholme Belle (British Riding Pony, 1972, von Tanner Whirlwind)

Seaholme Belle

Zuchtstute Okewood Debonaire (British Riding Pony, 1981, von Tanner Whirlwind)

Okewood Debonaire

Deckhengst Seaholm Julius (British Riding Pony, 1976, von Tanner Whirlwind)

Seaholm Julius

Zuchtstute Stardust Of Erimus (British Riding Pony, 1975, von Tanner Whirlwind)

Stardust Of Erimus

Zuchtstute Ainsty Springtime (British Riding Pony, 1969, von Tanner Whirlwind)

Ainsty Springtime

Pferd Suton Ballerina (British Riding Pony,  , von Tanner Whirlwind)

Suton Ballerina

Pferd Seaholm Julietta (British Riding Pony,  , von Tanner Whirlwind)

Seaholm Julietta

Pferd Seaholm Jupiter (British Riding Pony, 1978, von Tanner Whirlwind)

Seaholm Jupiter

Pferd Seaholm Jason (British Riding Pony, 1974, von Tanner Whirlwind)

Seaholm Jason

Pferd Seaholm Janus (British Riding Pony, 1974, von Tanner Whirlwind)

Seaholm Janus

Zuchtstute Cosford Windfall (British Riding Pony, 1974, von Tanner Whirlwind)

Cosford Windfall