Question: Who is Sophia Charlotte Of Hanover's maternal grandfather?

Knowledge 1: Sophia Charlotte of Hanover
Sophia Charlotte of Hanover (30 October 1668 – 1 February 1705) was the first Queen consort in Prussia as wife ofKing Frederick I. She was the only daughter of Elector Ernest Augustus of Hanover and his wife Sophia of the Palatinate.Her eldest brother George Louis succeeded to the British throne in 1714 as King George I. [SEP] Knowledge 2: Sophia of Hanover
Sophia of Hanover (born Sophia of the Palatinate; 14 October 1630 – 8 June 1714) was the Electress consort of Hanover from 1692 to 1698.As a Protestant granddaughter of James I, she became heir presumptive to the crowns of the Kingdom of England and the Kingdom of Ireland under the Act of Settlement 1701.After the Acts of Union 1707, she became heir presumptive to the unified throne of the Kingdom of Great Britain.She died less than two months before she would have become queen succeeding her first cousin once removed,Queen Anne, and her claim to the throne passed on to her eldest son, George Louis, Elector of Hanover, who ascended as George I on 1 August 1714(Old Style).Born to Frederick V of the Palatinate, a member of the House of Wittelsbach, and Elizabeth Stuart, in 1630, Sophia grew up in the Dutch Republic, where her family had sought refuge after the sequestration of their Electorate during the Thirty Years' War.Sophia's brother Charles Louis was restored to the Lower Palatinate as part of the Peace of Westphalia.Sophia married Ernest Augustus of Brunswick-Lüneburg in 1658.Despite his jealous temper and frequent absences, Sophia loved him, and bore him seven children who survived to adulthood.Initially a landless cadet, Ernest Augustus succeeded in having the House of Hanover raised to electoral dignity in 1692.Therefore, Sophia became Electress of Hanover, the title by which she is best remembered.A patron of the arts, Sophia commissioned the palace and gardens of Herrenhausen and sponsored philosophers, such as Gottfried Leibniz and John Toland.
Knowledge 1: Charlotte of Mecklenburg-Strelitz
Charlotte of Mecklenburg-Strelitz (Sophia Charlotte; 19 May 1744 – 17 November 1818) was the wife of King George III.She served as Queen of Great Britain and Ireland from her wedding in 1761 until the union of the two kingdoms in 1801, after which she was queen consort of the United Kingdom of Great Britain and Ireland until her death in 1818.She was also the Electress consort of Hanover in the Holy Roman Empire until the promotion of her husband to King of Hanover on 12 October 1814, after which she was also queen consort of Hanover.Charlotte was a patron of the arts and an amateur botanist who helped expand Kew Gardens.She was distressed by her husband's bouts of physical and mental illness, which became permanent in later life and resulted in their eldest son George's appointment as Prince Regent in 1811.George III and Charlotte had 15 children in total, 13 of whom survived to adulthood.They included two future British monarchs, George IV and William IV; Charlotte, Queen of Württemberg; Prince Edward, Duke of Kent and Strathearn, the father of Queen Victoria; and Ernest Augustus, King of Hanover. [SEP] Knowledge 2: Sophia of Hanover
Sophia of Hanover (born Sophia of the Palatinate; 14 October 1630 – 8 June 1714) was the Electress consort of Hanover from 1692 to 1698.As a Protestant granddaughter of James I, she became heir presumptive to the crowns of the Kingdom of England and the Kingdom of Ireland under the Act of Settlement 1701.After the Acts of Union 1707, she became heir presumptive to the unified throne of the Kingdom of Great Britain.She died less than two months before she would have become queen succeeding her first cousin once removed,Queen Anne, and her claim to the throne passed on to her eldest son, George Louis, Elector of Hanover, who ascended as George I on 1 August 1714(Old Style).Born to Frederick V of the Palatinate, a member of the House of Wittelsbach, and Elizabeth Stuart, in 1630, Sophia grew up in the Dutch Republic, where her family had sought refuge after the sequestration of their Electorate during the Thirty Years' War.Sophia's brother Charles Louis was restored to the Lower Palatinate as part of the Peace of Westphalia.Sophia married Ernest Augustus of Brunswick-Lüneburg in 1658.Despite his jealous temper and frequent absences, Sophia loved him, and bore him seven children who survived to adulthood.Initially a landless cadet, Ernest Augustus succeeded in having the House of Hanover raised to electoral dignity in 1692.Therefore, Sophia became Electress of Hanover, the title by which she is best remembered.A patron of the arts, Sophia commissioned the palace and gardens of Herrenhausen and sponsored philosophers, such as Gottfried Leibniz and John Toland.
Knowledge 1: Sophia Charlotte of Hanover
Sophia Charlotte of Hanover (30 October 1668 – 1 February 1705) was the first Queen consort in Prussia as wife ofKing Frederick I. She was the only daughter of Elector Ernest Augustus of Hanover and his wife Sophia of the Palatinate.Her eldest brother George Louis succeeded to the British throne in 1714 as King George I. [SEP] Knowledge 2: Charlotte of Mecklenburg-Strelitz
Charlotte of Mecklenburg-Strelitz (Sophia Charlotte; 19 May 1744 – 17 November 1818) was the wife of King George III.She served as Queen of Great Britain and Ireland from her wedding in 1761 until the union of the two kingdoms in 1801, after which she was queen consort of the United Kingdom of Great Britain and Ireland until her death in 1818.She was also the Electress consort of Hanover in the Holy Roman Empire until the promotion of her husband to King of Hanover on 12 October 1814, after which she was also queen consort of Hanover.Charlotte was a patron of the arts and an amateur botanist who helped expand Kew Gardens.She was distressed by her husband's bouts of physical and mental illness, which became permanent in later life and resulted in their eldest son George's appointment as Prince Regent in 1811.George III and Charlotte had 15 children in total, 13 of whom survived to adulthood.They included two future British monarchs, George IV and William IV; Charlotte, Queen of Württemberg; Prince Edward, Duke of Kent and Strathearn, the father of Queen Victoria; and Ernest Augustus, King of Hanover.

Answer: Frederick V