Birth Name: John Ronald Reuel Tolkien
Date of Birth: January 3, 1892
Place of Birth: Bloemfontein, Orange Free State (present-day South Africa)
Date of Death: September 2, 1973
Place of Death: Bournemouth, England
Ethnicity: English, as well as 1/16th German
J. R. R. Tolkien was an English writer, poet, philologist, and university professor.
J. R. R. was the son of Mabel (Suffield) and Arthur Reuel Tolkien, a bank manager. He was born in Bloemfontein, in present-day South Africa, to English parents; his father had been promoted to head the office of the bank he worked for in Bloemfontein. J. R. R. was married to Edith Tolkien, until her death, with whom he had four children.
J. R. R.’s paternal grandfather was John Benjamin Tolkien (the son of George Tolkien and Eliza Lydia Murrell). George was the son of John/Johann Benjamin Tolkien, who was born in Gdańsk, Germany, and of Mary Wall/Warner. Eliza was the daughter of Stephen Murrell and Elizabeth.
J. R. R.’s paternal grandmother was Mary Jane Stowe (the daughter of John Sutcliffe Stowe and Mary Bindley). John was the son of John Stowe and Ann Kite. J. R. R.’s great-grandmother Mary Bindley was the daughter of John Bindley and Sarah Riles or Mary Cooper.
J. R. R.’s maternal grandfather was John Suffield (the son of John Suffield and Mary Jane Oliver). J. R. R.’s great-grandfather John was the son of William Suffield and Lucy Luckman. Mary Jane was the daughter of Mark Oliver and Mary Hamilton.
J. R. R.’s maternal grandmother was Emily Jane Sparrow (the daughter of James Henry Sparrow and Marianna). James was the son of John Sparrow and Phyllis Ely.
Sources: Genealogies of J. R. R. Tolkien – https://www.geni.com
https://www.wikitree.com
http://wc.rootsweb.ancestry.com
Notes on J. R. R.’s German ancestry – http://tolkniety.blogspot.se