siblings of Treharne Blue John

half siblings maternal 2 half siblings paternal 5

half siblings paternal

broodmare Treharne Sheila (Welsh mountain pony (SEK.A), 1961, from Treharne Boy Blue)

Treharne Sheila
gender-female
1961

Treharne Boy Blue / Coed Coch Glyndwr

stallion Treharne Charles (Welsh-Cob (Sek. D), , from Treharne Boy Blue)

Treharne Charles
gender-male

Treharne Boy Blue / Coed Coch Glyndwr

broodmare Treharne June (Welsh-Pony (Section B), 1960, from Treharne Boy Blue)

Treharne June
gender-female
1960

Treharne Boy Blue / Coed Coch Glyndwr

stallion Pencombe Trumpeter (Connemara Pony, , from Treharne Boy Blue)

Pencombe Trumpeter
gender-male

Treharne Boy Blue / Eryri Gwyndaf

broodmare Hubbestads Jovette (Welsh mountain pony (SEK.A), , from Treharne Boy Blue)

Hubbestads Jovette
gender-female

Treharne Boy Blue / Treharne Robin