Background
Helena was born at Wiesbaden, Duchy of Nassau. She was the ninth child of William, Duke of Nassau (1792–1839), by his second wife Princess Pauline of Württemberg (1810–1856), daughter of Prince Paul of Württemberg.
Helena was born at Wiesbaden, Duchy of Nassau. She was the ninth child of William, Duke of Nassau (1792–1839), by his second wife Princess Pauline of Württemberg (1810–1856), daughter of Prince Paul of Württemberg.
She was the half-sister of Adolphe, Grand Duke of Luxembourg (then Hereditary Prince of Nassau). Grandchildren 18 August 1831 – 26 September 1853: Her Ducal Serene Highness Princess Helena of Nassau 26 September 1853 – 28 October 1888: Her Ducal Serene Highness The Princess of Waldeck and Pyrmont.
Pauline, Princess of Wied (1877–1965), last senior member of the House of Württemberg.