siblings of Britannica xx

half siblings paternal

horse First Edition xx (Thoroughbred, 1922, from Teddy xx)

First Edition xx

horse Asteroide xx (Thoroughbred, 1922, from Teddy xx)

Asteroide xx

stallion Ted Easy xx (Thoroughbred, 1935, from Teddy xx)

Ted Easy xx

broodmare Teddy's Squaw xx (Thoroughbred, 1934, from Teddy xx)

Teddy's Squaw xx

broodmare Olympias xx (Thoroughbred, 1924, from Teddy xx)

Olympias xx

broodmare Primula xx (Thoroughbred, 1923, from Teddy xx)

Primula xx

broodmare Clarisse II xx (Thoroughbred, 1928, from Teddy xx)

Clarisse II xx

stallion Duke of Wellington xx (Thoroughbred, 1956, from Teddy xx)

Duke of Wellington xx

stallion Sir Edward xx (Thoroughbred, 1927, from Teddy xx)

Sir Edward xx

broodmare Centuary xx (Thoroughbred, 1927, from Teddy xx)

Centuary xx

stallion Premier Plan xx (Thoroughbred, 1929, from Teddy xx)

Premier Plan xx

stallion Leonidas xx (Thoroughbred, 1925, from Teddy xx)

Leonidas xx