siblings of Isa xx

full siblings

stallion Three xx (Thoroughbred, 1912, from The Welkin xx)

Three xx

stallion Thrice xx (Thoroughbred, 1914, from The Welkin xx)

Thrice xx

broodmare Deneb xx (Thoroughbred, 1913, from The Welkin xx)

Deneb xx

broodmare Trey xx (Thoroughbred, 1917, from The Welkin xx)

Trey xx