Hannah Arnold
Hannah Arnold, also known as Hannah Waterman King, was the grandmother of Benedict Arnolds children.
Blanche of Lancaster
Blanche of Lancaster (25 March 1342 – 12 September 1368) was a member of the English royal House of Plantagenet and the daughter of the kingdom's wealthiest and most powerful peer, Henry of Grosmont, 1st Duke of Lancaster.
She was the first wife of John of Gaunt, the mother of King Henry IV, and the grandmother of King Henry V of England.
Thyra von Westernhagen
Thyra, Princess Heinrich of Hanover( née Thyra von Westernhagen; born 14 August 1973) is a German forester and landowner.
As the wife of Prince Heinrich of Hanover, she is a princess of the House of Hanover.
Turiya Hanover
Turiya Hanover, aka" Wibke, Princess Welf Ernst of Hanovernée" van Gunsteren( born 1948, Lübeck), is a German psychotherapist and wife of the late Prince Welf of Hanover of the House of Hanover.
She has published some guided meditations.
Wibke was born as daughter of Ursula Schmidt- Prange and Dr. Hans- Daniel Christians, a physician.
Her mother then married Harry van Gunsteren and the whole young family took van Gunsteren as surname, including the step- daughter Wibke.
In 1969 Wibke married Prince Welf of Hanover, a first cousin of Prince Ernst August of Hanover, the current head of the House of Guelf as well as a first cousin of Charles, Prince of Wales, the current heir to the throne of the British Commonwealth.
In 1970, they had a child, Princess Saskia of Hanover, currently known as Mrs Saskia Hooper.
In 1973 Wibke started to work as Gestalt therapist.
In 1975 she and her husband Welf moved to India, having become sannyasins of Osho and taken the names" VimalkirtiSpotless splendour") and Wibke" TuriyaSpiritual love", Sk. तुरीय' The Fourth').
Along with their five- year- old daughter Tania Saskia they moved to Poona, India to live with Osho.
Welf died at the age of 33 at a clinic in Poona from a cerebral haemorrhage after collapsing during a morning exercise session and becoming paralysed at the ashram.
Although there are claims that they were divorced in 1979 there was no such divorce.
They were married until Prince Welf died in 1981.
Currently Turiya( Wibke) Hanover lives in Byron Bay, Australia.
Turiya has published at least five guided meditations:
Hubba bint Hulail
Hubba bint Hulail was the grandmother of Hashim ibn' Abd Manaf, thus the great- great- great- grandmother of the Islamic" Nabī"( Prophet) Muhammad ibn Abdullah.
Prince Welf Henry of Hanover
Prince
Welf Henry of Hanover ("
Welf Heinrich Ernst August
Georg Christian Berthold Friedrich Wilhelm Louis Ferdinand Prinz von Hannover"; 11 March 1923 – 12 July 1997) was the fourth son of Ernest Augustus, Duke of Brunswick and his wife Princess Victoria Louise of Prussia, the only daughter of Wilhelm II, German Emperor and Augusta Viktoria of Schleswig-Holstein.
The prince was known to his family as "Welfi."
Alexandra Prinzessin von Hannover
Alexandra Prinzessin von Hannover( née" Alexandra
Sophie Cecilie Anna
Maria Friederike Benigna Dorothea Prinzessin zu Ysenburg und Büdingen"; 23 October 1937 – 1 June 2015) was a German politician, philanthropist, and wife of Prince Welf Henry of Hanover.
Hannover lastly served as a councilwoman representing the Niederrad district of Frankfurt on the Frankfurt City Council.
She was a member of the Christian Democratic Union political party.
Prince Welf Ernst of Hanover
Prince Welf Ernst of Hanover( Welf Ernst August Andreas Philipp Georg Wilhelm Ludwig Berthold Prinz von Hannover), Duke of Brunswick- Lüneburg( 25 January 1947 – 10 January 1981) was the eldest son of Prince George William of Hanover and his wife Princess Sophie of Greece and Denmark, sister of Prince Philip, Duke of Edinburgh.
Welf was a first cousin of Charles, Prince of Wales.
The prince used the name Welf Prinz von Hannover.
Princess Victoria Louise of Prussia
Princess Victoria Louise of Prussia (Viktoria Luise Adelheid Mathilde Charlotte; 13 September 1892 – 11 December 1980) was the only daughter and the last child of German Emperor Wilhelm II and Augusta Victoria of Schleswig-Holstein.
She was a great-granddaughter of Queen Victoria through her father.
Her 1913 wedding to Prince Ernest Augustus of Hanover was the largest gathering of reigning monarchs in Germany since German unification in 1871, and one of the last great social events of European royalty before the First World War began fourteen months later.
Shortly after the wedding, she became the Duchess of Brunswick by marriage.
Through her daughter Frederica, Princess Victoria Louise was the maternal grandmother of Queen Sophia of Spain (mother of Felipe VI of Spain) and the former King Constantine II of Greece.
Tjuyu
Tjuyu( sometimes transliterated as Thuya or Thuyu) was an Egyptian noblewoman and the mother of queen Tiye, and the wife of Yuya.
She is the grandmother of Akhenaten, and great grandmother of Tutankhamun.

Question: Who is the maternal grandmother of Prince Welf Henry Of Hanover?
Answer: Augusta Victoria