siblings of Santos Express (US)

half siblings maternal 2 half siblings paternal 5

half siblings maternal

broodmare Eviva (American Trotter, 1936, from Guardian Trust (US))

Eviva
gender-female
1936

Guardian Trust (US) / Peter the Great 28955 (US)

stallion Erdgeist (DE) (German trotters, 1934, from Walter Dear (US))

Erdgeist (DE)
gender-male
1934

Walter Dear (US) / Peter the Great 28955 (US)