siblings of Thumbs Up xx

half siblings paternal

stallion Fervent xx (Thoroughbred, 1944, from Blenheim II xx)

Fervent xx

broodmare Bastani xx (Thoroughbred, 1934, from Blenheim II xx)

Bastani xx

horse Blenheim Girl xx (Thoroughbred, 1940, from Blenheim II xx)

Blenheim Girl xx

stallion Whirlaway xx (Thoroughbred, 1938, from Blenheim II xx)

Whirlaway xx

stallion Jet Pilot xx (Thoroughbred, 1944, from Blenheim II xx)

Jet Pilot xx

broodmare Blue Bear xx (Thoroughbred, 1933, from Blenheim II xx)

Blue Bear xx

broodmare Blue Castle xx (Thoroughbred, 1938, from Blenheim II xx)

Blue Castle xx

stallion Wyndham xx (Thoroughbred, 1933, from Blenheim II xx)

Wyndham xx

stallion Free America xx (Thoroughbred, 1945, from Blenheim II xx)

Free America xx

broodmare Alrabia xx (Thoroughbred, 1937, from Blenheim II xx)

Alrabia xx

broodmare Rockabye xx (Thoroughbred, 1945, from Blenheim II xx)

Rockabye xx

broodmare Mumtaz Begum xx (Thoroughbred, 1932, from Blenheim II xx)

Mumtaz Begum xx