Bertha van Ochten1 
Children of Bertha van Ochten and Johann I ‘de Sterke’ Heer van Arkel
- Johan II Heer van Arkel+1 b. 1250, d. 27 Mar 1297
- Elisabeth van Arkel+1 b. 1256, d. 1295
William Birkbeck Wakefield1 
He was appointed Fellow, Royal Geographical Society (F.R.G.S.)1 He was appointed Member, Order of the British Empire (M.B.E.)1
Child of William Birkbeck Wakefield and Elizabeth Davison
- Robert Edward William Wakefield2 b. 8 Jul 1920, d. 14 Mar 1970
Elizabeth Davison1
From 14 October 1919, her married name became Wakefield.
Child of Elizabeth Davison and William Birkbeck Wakefield
- Robert Edward William Wakefield2 b. 8 Jul 1920, d. 14 Mar 1970
Robert Edward William Wakefield1 
Sir Panayotis Loizou Cacoyannis1
Child of Sir Panayotis Loizou Cacoyannis
Yannoulla Cacoyannis1
From 30 January 1945, her married name became Wakefield.
Arthur William Wakefield1 
He was educated at Sedbergh School, Sedbergh, Cumbria, England.1 He graduated from Trinity College, Cambridge University, Cambridge, Cambridgeshire, England, with a Master of Arts (M.A.)1 He graduated from London Hospital, London, England, with a Bachelor of Medicine (B.Ch.)1 He graduated from London Hospital, London, England, with a Doctor of Medicine (M.D.)1 He gained the rank of Trooper in the 70th County, Imperial Yeomanry.1 He fought in the Boer War.1 He was Medical Officer to Royal National Mission to Deep Sea Fishermen in Labrador in 1908.1 He was registered as a Member, Royal College of Surgeons (M.R.C.S.)1 He was registered as a Licentiate, Royal College of Physicians, London (L.R.C.P.)1 He gained the rank of Lieutenant in the Newfoundland Regiment.1 He fought in the First World War, where he was mentioned in dispatches.1 He gained the rank of Captain in the Royal Army Medical Corps.1 He was member of Mt. Everest Expedition in 1922.1
Children of Arthur William Wakefield and Marjorie Younger
- Robert William Wakefield+2 b. 3 Mar 1914
- Elizabeth Marianne Wakefield+2 b. 24 Aug 1917, d. 14 Jun 1989
- James Roger Wakefield+2 b. 19 May 1921, d. 27 Jan 1973
James D. Younger1
Child of James D. Younger
- Marjorie Younger+2 d. 13 Jan 1976
Marjorie Younger1 
From 1 June 1910, her married name became Wakefield.
Children of Marjorie Younger and Arthur William Wakefield
- Robert William Wakefield+2 b. 3 Mar 1914
- Elizabeth Marianne Wakefield+2 b. 24 Aug 1917, d. 14 Jun 1989
- James Roger Wakefield+2 b. 19 May 1921, d. 27 Jan 1973