siblings of Sempronius xx

half siblings maternal

broodmare Lily of the Valley xx (Thoroughbred, 1899, from Martagon xx)

Lily of the Valley xx

stallion Galveston xx (Thoroughbred, 1897, from Galopin xx)

Galveston xx

broodmare Miramar xx (Thoroughbred, 1902, from Martagon xx)

Miramar xx

broodmare Santona xx (Thoroughbred, 1898, from Saint Simon xx)

Santona xx

broodmare Slip Knot xx (Thoroughbred, 1896, from Surefoot xx)

Slip Knot xx

horse Harmonia xx (Thoroughbred, 1901, from Martagon xx)

Harmonia xx