Question: Who is Prince Welf Ernst Of Hanover's maternal grandfather?

Knowledge 1: 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. [SEP] Knowledge 2: Princess Sophie of Greece and Denmark
Princess Sophie of Greece and Denmark (26 June 1914 – 24 November 2001) was the fourth child and youngest daughter of Prince Andrew of Greece and Denmark and Princess Alice of Battenberg.The Duke of Edinburgh is her younger brother.Sophie was born at the villa Mon Repos on the island of Corfu in Greece.
Knowledge 1: 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. [SEP] Knowledge 2: 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:
Knowledge 1: Alexandra Prinzessin von Hannover
Alexandra Prinzessin von Hannover( née" AlexandraSophie Cecilie AnnaMaria 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. [SEP] Knowledge 2: 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:

Answer: Prince Andrew of Greece and Denmark