Adolf I, Prince of Schaumburg-Lippe
Adolf I, Prince of Schaumburg-Lippe (1 August 1817 – 8 May 1893) was a ruler of the Principality of Schaumburg-Lippe.
Prince Frederick of Schaumburg-Lippe
Prince Frederick of Schaumburg- Lippe( 30 January 186812 December 1945) was a German prince and head of the Náchod branch of the princely house of Schaumburg- Lippe.
He was a son of Prince William of Schaumburg- Lippe, by his wife Princess Bathildis of Anhalt- Dessau.
Landgravine Juliane of Hesse-Philippsthal
Juliane of Hesse- Philippsthal( 8 June 1761 – 9 November 1799), was a countess of Schaumburg- Lippe, married in 1780 to Count Philip II, Count of Schaumburg- Lippe.
She served as the regent of Schaumburg- Lippe during the minority of her son from 1787 to 1799.
Adolf II, Prince of Schaumburg-Lippe
Adolf II, Prince of Schaumburg- Lippe( 23 February 1883 – 26 March 1936) was the last ruler of the small Principality of Schaumburg- Lippe.
Georg, Prince of Schaumburg-Lippe
Georg, Prince of Schaumburg- Lippe( 10 October 1846 – 29 April 1911) was a ruler of the small Principality of Schaumburg- Lippe.
Frederick Christian, Count of Schaumburg-Lippe
Friedrich Christian, Count of Schaumburg- Lippe( 16 August 1655 – 13 June 1728) was the second ruler of the County of Schaumburg- Lippe.
Princess Adelaide of Schaumburg-Lippe
Princess Adelaide of Schaumburg-Lippe (22 September 187527 January 1971) was daughter of Prince William of Schaumburg-Lippe and consort of the last reigning Duke of Saxe-Altenburg Ernst II.
Heinrich Donatus, Hereditary Prince of Schaumburg-Lippe
Heinrich Donatus, Hereditary Prince of Schaumburg- Lippe( Ernst- August Alexander Wilhelm Bernhard Krafft Heinrich Donatus; born 13 May 1994) is the son of Alexander, Prince of Schaumburg- Lippe and thus heir to the German Princely house of Schaumburg- Lippe.
Prince Heinrich Donatus of Schaumburg- Lippe was born in Hanover to Alexander, Hereditary Prince of Schaumburg- Lippe( born 1958), and Princess Marie- Louise(" Lilly") of Sayn- Wittgenstein- Berleburg( born 1972), who had married in August 1993.
His mother suffered a nervous breakdown in 1998, and left her husband in 2000 to move with her son from Hanover to Munich.
The couple divorced in 2002.
On the death of his father, Philip- Ernst, Prince of Schaumburg- Lippe, Alexander inherited the title Prince of Schaumburg- Lippe, while his son became Hereditary Prince.
In 2007, the Prince of Schaumburg- Lippe married lawyer Nadja Anna Zsoeks.
Princess Marie- Louise is now married to designer Lambros Milona, with whom she has a daughter, Lana.
Prince William of Schaumburg-Lippe
Prince William of Schaumburg-Lippe (12 December 18344 April 1906) was son of George William, Prince of Schaumburg-Lippe and member of the House of Lippe.
Wolrad, Prince of Schaumburg-Lippe
Ernst Wolrad, Prince of Schaumburg- Lippe( 19 April 1887 – 15 June 1962) was a head of the Princely House of Schaumburg- Lippe.

Question: Who is the paternal grandfather of Princess Adelaide Of Schaumburg-Lippe?