Hon. George Grinnell1
Child of Hon. George Grinnell
Helen Elizabeth Grinnell1
Her married name became Milne.
Children of Helen Elizabeth Grinnell and George Milne
- Mary Ella Milne2
- George Grinnell-Milne+2 b. 26 May 1853, d. 4 Apr 1931
Richard Nicolas Bernard Sykes1
Richard Nicolas Bernard Sykes usually went by his middle name of Nicholas. He was educated at Ampleforth College, Ampleforth, Yorkshire, England.1
- [S37] BP2003 volume 3, page 3847. See link for full details for this source. Hereinafter cited as. [S37]
Mary Ella Milne1
She was She was grandmother of Captain John Bell-Irving of Whitehill, Dumfries.1
Dr. Petrus Marius Mess1
He lived at The Hague, The Netherlands.1
Child of Dr. Petrus Marius Mess and Carolina Frederika d‘Aumerie
- Maria Caroline Mess+3 b. 15 Sep 1862, d. 1940
- [S37] BP2003 volume 2, page 2032. See link for full details for this source. Hereinafter cited as. [S37]
- [S6448] Bram Sonneveld, “re: Oppenheimer Family,” family provided evidence then verified by subsequent research and verification by BENR (101053), 27 November 2012. Hereinafter cited as “re: Oppenheimer Family.”
- [S37] BP2003. [S37]
Maria Caroline Mess1 
From 28 September 1882, her married name became Grinnell-Milne.1
Children of Maria Caroline Mess and George Grinnell-Milne
- Muriel Helen Lycette Grinnell-Milne+3
- Douglas George Grinnell-Milne3 b. 25 Jul 1886, d. 4 Mar 1963
- Violet Elizabeth Grinnell-Milne+3 b. 29 Mar 1891, d. 19 Mar 1971
- Duncan William Grinnell-Milne+3 b. 6 Aug 1896
- [S37] BP2003 volume 2, page 2032. See link for full details for this source. Hereinafter cited as. [S37]
- [S6448] Bram Sonneveld, “re: Oppenheimer Family,” family provided evidence then verified by subsequent research and verification by BENR (101053), 27 November 2012. Hereinafter cited as “re: Oppenheimer Family.”
- [S37] BP2003. [S37]
Douglas George Grinnell-Milne1 
He was educated at Harrow School, Harrow, London, England.1 He fought in the First World War, and was mentioned in despatches.1 He gained the rank of Captain in the Royal Fusiliers and Royal Flying Corps.1
General Emil von Weinmann1
Child of General Emil von Weinmann
Olga Maria Theresia Barbara von Weinmann1 
From before 1919, her married name became Beelaerts von Blockland.1 From 23 May 1919, her married name became Grinnell-Milne.
Duncan William Grinnell-Milne1
He fought in the First World War.1 He gained the rank of Wing Commander in the Royal Air Force.1 He was awarded the Military Cross (M.C.)1 He was awarded the Distinguished Flying Cross (D.F.C.) and bar.1 He was Assistant Air Attaché, British Embassy of Paris between 1923 and 1926.1 He wrote the book Triumph of Integrity.1 He wrote the book Map of Europe.1 He wrote the book Wind in the Wires.1 He wrote the book Silent Victory.1
Child of Duncan William Grinnell-Milne and Frances Warrington Peyrigné Lalanne
- Robin Ian Evelyn Stuart de la Lanne-Mirrlees of Inchdrewer+2 b. 13 Jan 1925, d. 23 Jun 2012