He was a diplomat, art collector, and philanthropist. He was the stepson of Anna Dorinda Blaksley Barnes Bliss (1851–1935) and the stepbrother of Cora (Kora) Fanny Barnes (1858–1911) and Mildred Barnes (1879–1969).
He is said to have owned Tanagra y092.
He wane of the cofounders of the Dumbarton Oaks Research Library and Collection in Washington, D.C.
'Robert Woods Bliss', Wikipedia.