Athenais Vallombrosa was born in New York in 1883, and was named after Medora's mother. She was only a few months old when brought out to Dakota Territory in the summer of 1883. She was married at age 17 to Baron Pichon, a French ambassador. Her daughter, Thais, died at age 19 in a horseback riding accident. In 1929, Athenais married Baron de Graffonrud, he died in 1936. She then married Henry Guerracina and moved to Argentina during World War II. She returned to France in 1950, where shed died in 1969.