Duchess Olga of Württemberg

She was the younger twin daughter of Duke Eugen of Württemberg (1846–1877), and Grand Duchess Vera Constantinovna of Russia (1854–1912).

Her older twin was Duchess Elsa of Württemberg (1876–1936), who married her husband's brother, Prince Albert of Schaumburg-Lippe.

[3] Her paternal grandparents were Duke Eugen of Württemberg, and Princess Mathilde of Schaumburg-Lippe.

Her maternal grandparents were Grand Duke Konstantin Nikolayevich of Russia and Princess Alexandra of Saxe-Altenburg.

The marriage never occurred; Prince Eugen, a notable artist, remained a bachelor.

Olga of Württemberg with her sons: Prince Albrecht of Schaumburg-Lippe (right) and Prince Eugen of Schaumburg-Lippe (left).