siblings of Onassis

full siblings 1 half siblings maternal 1 half siblings paternal 4

half siblings paternal

broodmare Willy (Nederlands Welsh Ridepony, , from Aernout van Thamen)

Willy
gender-female

Aernout van Thamen / Annell Sputnik

broodmare Groot Roessink's Sunshine (Nederlands Welsh Ridepony, , from Aernout van Thamen)

Groot Roessink's Sunshine
gender-female

Aernout van Thamen / Catherston Red Gold

horse Bianka (Nederlands Welsh Ridepony, 1969, from Aernout van Thamen)

Bianka
gender-female
1969

Aernout van Thamen / Trefesgob Gaylight

horse Groot Roessink's Sunlight (Nederlands Welsh Ridepony, , from Aernout van Thamen)

Groot Roessink's Sunlight
gender-female

Aernout van Thamen / Cusop Sunray