Louise of Stolberg-Wernigerode
Countess Louise of Stolberg- Wernigerode( 24 November 1771 at Wernigerode Castle – 8 June 1856 in Groß Krauschen) was abbess of Drübeck Abbey.
Louise was a member of the House of Stolberg, from the Harz area.
She was the second eldest daughter of Count Christian Frederick of Stolberg- Wernigerode and his wife Auguste Eleonore of Stolberg- Stolberg.
She was an older sister of Henry of Stolberg- Wernigerode.
From 1797 to 1800, she was abbess of Drübeck Abbey.
On 21 December 1807, she left the abbey to marry Moritz Haubold von Schönberg.
She moved to his estate in" Groß Krauschen", which is now in Poland and called Gmina Bolesławiec.
She died there in 1856.
Countess Karoline Ernestine of Erbach-Schönberg
Countess Karoline Ernestine of Erbach- Schönberg, born 20 August 1727( 20 July, according to other sources) at Gedern, Oberhessen, Hesse- Darmstadt, in the then Holy Roman Empire, was a daughter of George August, Count of Erbach- Schönberg, and Ferdinande Henriette, Countess of Stolberg- Gedern.
She died at Ebersdorf, Thuringia, on 22 April 1796, at age 68.
Through her daughter Augusta, she was the great grandmother of Queen Victoria of the United Kingdom.
Henry Ernest, Count of Stolberg
Henry Ernest, Count of Stolberg( 20 July 1593 in Schwarza – 4 April 1672 in Ilsenburg) was a German nobleman.
He was the founder of the older main line of the House of Stolberg.
He was the eldest son of Count Christopher II of Stolberg.
From 1639 to 1645, Henry Ernst and his younger brother John Martin jointly ruled the County of Stolberg.
On 31 May 1645, they divided their inheritance, with Henry Ernest receiving the County of Wernigerode and Hohnsteiner Forest.
He moved the residence of his county from Wernigerode to Ilsenburg.
On 2 May 1649, he married Anna Elisabeth, a daughter of Count Henry Volrad of Stolberg- Ortenberg.
They had two sons, Ernest and Louis Christian, and one daughter, Anna Eleonore, who married Emmanuel, Prince of Anhalt- Köthen in Ilsenburg on 23 March 1670.
As there was no primogeniture in Stolberg, his sons jointly inherited the county when Henry Ernest died in 1672.
Frederick Charles of Stolberg-Gedern
Frederick Charles, Prince of Stolberg- Gedern( 11 October 1693 – 28 September 1767), was a German politician.
He founded the Stolberg- Gedern line of the House of Stolberg, which ended in 1804 when it became part of the line of Stolberg- Wernigerode.
Christine of Mecklenburg-Güstrow
Christine of Mecklenburg-Güstrow (14 August 1663 – 3 August 1749) was a German noblewoman of the House of Mecklenburg and by marriage Countess of Stolberg-Gedern.
Born in Güstrow, she was the sixth of eleven children born from the marriage of Gustav Adolph, Duke of Mecklenburg-Güstrow and Magdalene Sibylle of Holstein-Gottorp.
From her ten older and younger siblings, eight survived to adulthood:
Marie (by marriage Duchess of Mecklenburg-Strelitz), Magdalene, Sophie (by marriage Duchess of Württemberg-Oels), Charles, Hereditary Prince of Mecklenburg-Güstrow, Hedwig (by marriage Duchess of Saxe-Merseburg-Zörbig), Louise (by marriage Queen of Denmark and Norway), Elisabeth (by marriage Duchess of Saxe-Merseburg-Spremberg) and Augusta.
She was the three-times great-grandmother of Queen Victoria of the United Kingdom.
Caroline of Stolberg-Gedern (1732–1796)
Caroline of Stolberg- Gedern( 27 June 1732 in Gedern – 28 May 1796 in Langenburg) was a Princess of Stolberg- Gerdern by birth and by marriage a princess of Hohenlohe- Langenburg.
She was a daughter of Frederick Charles of Stolberg- Gedern and his wife, Countess Louise Henriette of Nassau- Saarbrücken.
On 13 April 1761 she married her first cousin Christian Albert, Prince of Hohenlohe- Langenburg( her mother was an elder sister of his mother).
They had the following children:
Princess Louise of Stolberg-Gedern (1764-1834)
Louise of Stolberg- Gedern( 13 October 1764 – 24 May 1834), was a German noblewoman member of the House of Stolberg and by her two marriages Duchess of Saxe- Meiningen and Württemberg.
Born in Gedern, she was the second child of Christian Karl, Prince of Stolberg- Gedern and his wife Countess Eleonore of Reuss- Lobenstein.
She was born three months after her father's death, on 21 July 1764.
Princess Louise of Stolberg-Gedern
Princess Louise Maximilienne Caroline Emmanuele of Stolberg- Gedern( 20 September 1752 – 29 January 1824) was the wife of Charles Edward Stuart, the Jacobite claimant to the English and Scottish thrones.
She is commonly called the Countess of Albany.
Louise Christine of Stolberg-Stolberg-Ortenberg
Louise Christine of Stolberg- Stolberg- Ortenberg( 21 January 1675- 16 May 1738), was a German noblewoman member of the House of Stolberg and by her two marriages Countess of Mansfeld- Eisleben and Duchess of Saxe- Weissenfels.
Born in Ortenberg, she was the sixth of the eight children born from the marriage of Christoph Louis I, Count of Stolberg- Stolberg- Ortenberg and Countess Louise Christine of Hesse- Darmstadt.
From her seven older and younger siblings, four survive adulthood: Georg, Hereditary Prince of Stolberg- Stolberg- Ortenberg, Sophie Eleonore, Christoph Frederick and Jost Christian.
Countess Ferdinande Henriette of Stolberg-Gedern
Countess Ferdinande Henriette of Stolberg-Gedern, born 2 October 1699 at Gedern, Oberhessen, Hesse-Darmstadt, then in the Holy Roman Empire, was a daughter of Louis Christian, Count of Stolberg-Gedern, and Duchess Christine of Mecklenburg-Güstrow.
She died at König, Starkenburg, Hesse-Darmstadt, on 31 January 1750, at age 50.
Through her daughter Karoline she is a direct female line ancestor of Queen Victoria of the United Kingdom, King Michael of Romania, the last King of that country, King Felipe VI of Spain as well as of Carl XVI Gustaf of Sweden.

Question: Who is Countess Ferdinande Henriette Of Stolberg-Gedern's maternal grandfather?
Answer: Gustav Adolph, Duke of Mecklenburg-Güstrow