siblings of Sister to Boxer xx

half siblings paternal

stallion Sea Gull xx (Thoroughbred, 1814, from Expedition xx)

Sea Gull xx

broodmare Matchless xx (Thoroughbred,  , from Expedition xx)

Matchless xx

broodmare Young Maid of the Oaks xx (Thoroughbred, 1817, from Expedition xx)

Young Maid of the Oaks xx

broodmare Expedition Mare (Thoroughbred,  , from Expedition xx)

Expedition Mare

broodmare Honesty xx (Thoroughbred, 1805, from Expedition xx)

Honesty xx

horse Prizefighter xx (Thoroughbred, 1806, from Expedition xx)

Prizefighter xx