siblings of Thunder Boy

half siblings maternal 3 half siblings paternal 4

half siblings maternal

broodmare Kingstown Silver (Connemara Pony, 1987, from Cuchulainn)

Kingstown Silver
gender-female
1987

Cuchulainn / Rory Ruadh

stallion Oisin (Connemara Pony, 1988, from Cuchulainn)

Oisin
gender-male
1988

Cuchulainn / Rory Ruadh

broodmare First Lady 143 (Connemara Pony, 1993, from Village Boy)

First Lady 143
gender-female
1993

Village Boy / Rory Ruadh