siblings of Olga van Middelstum

half siblings maternal 1 half siblings paternal 2

half siblings paternal

broodmare Mieke (Shetland Pony, , from Harry v.d. Bergdijk)

Mieke
gender-female

Harry v.d. Bergdijk / Wells Fireman

broodmare Wilhelmina van't Sluisje (Shetland Pony, 1984, from Harry v.d. Bergdijk)

Wilhelmina van't Sluisje
gender-female
1984

Harry v.d. Bergdijk / Isan van Stal Possemis