Charles Gordon-Lennox, 7th Duke of Richmond
Charles Henry Gordon- Lennox, 7th Duke of Richmond and Lennox, 2nd Duke of Gordon,( 27 December 1845 – 18 January 1928), 7th Duke of Aubigny( French peerage in the French nobility), styled Lord Settrington until 1860 and Earl of March between 1860 and 1903, was a British politician and peer.
Amy Gordon-Lennox, Countess of March
Amy Gordon- Lennox, Countess of March( 24 June 1847 – 23 August 1879), formerly Amy Mary Ricardo, was the first wife of Charles Gordon- Lennox, 7th Duke of Richmond, and the mother of Charles Gordon- Lennox, 8th Duke of Richmond.
She died before her husband inherited the dukedom.
Amy was the daughter of Percy Ricardo( 1820–1892) of Bramley Park, Guildford, Surrey, and his wife, the former Matilda Mawdesley Hensley( 1826 – 1880), herself the daughter of John Isaac Hensley of Holborn in Middlesex.
Amy was the sister of Colonel Horace Ricardo and of Colonel F. C. Ricardo of Cookham in Berkshire.
Amy married the future duke, then Earl of March, on 10 November 1868.
Their children were:
In 1877, the countess compiled and published a catalogue of the art works held at the family homes, Goodwood House and Gordon Castle.
After Amy's death in August 1879, a year after the birth of her youngest son, aged 32, the future duke married Isabel Sophie Craven in 1882, and had further children.
Isabel died in November 1887, and the duke thereafter remained a widower until his death in 1928.
Werner Caskel
Werner Caskel( March 5, 1896, Danzig- January 28, 1970, Köln) was a German historian of Muslim people.
He taught as professor at the University of Berlin( since 1946), University of Cologne( since 1948).
Charles Gordon-Lennox, 5th Duke of Richmond
Charles Gordon- Lennox, 5th Duke of Richmond,( 3 August 179121 October 1860), styled Earl of March until 1819, was a British peer, soldier, politician, and a prominent Conservative.
Helen Percy, Duchess of Northumberland
Helen Percy, Duchess of Northumberland,( 13 December 1886 – 13 June 1965), was born as Helen Magdalan Gordon- Lennox, the daughter of Charles Gordon- Lennox, Earl of March and Kinrara( later the 7th Duke of Richmond).
She was married on 18 October 1911 to Earl Percy, who succeeded his father as 8th Duke of Northumberland in 1918, whereupon she became known as the Duchess of Northumberland.
The couple had six children:
She was Mistress of the Robes to Queen Elizabeth, the Queen Mother, from 1937 to 1964 and was appointed a Dame Grand Cross of the Royal Victorian Order in 1938.
Frederick Gordon-Lennox, 9th Duke of Richmond
Frederick Charles Gordon Lennox, 9th Duke of Richmond, 9th Duke of Lennox, 9th Duke of Aubigny, 4th Duke of Gordon( 5 February 1904 – 2 November 1989) was a British peer, engineer, racing driver, and motor racing promoter.
Lord Bernard Gordon-Lennox
Major Lord Bernard Charles Gordon- Lennox( 1 May 1878 – 10 November 1914), was a British Army officer.
Gordon- Lennox was the third son of Charles Gordon- Lennox, 7th Duke of Richmond, by his first wife Amy Mary, daughter of Percy Ricardo, of Bramley Park, Guildford, Surrey.
Charles Gordon- Lennox, 8th Duke of Richmond and Brigadier- General Lord Esmé Gordon- Lennox were his elder brothers.
He was educated at Eton and the Royal Military College, Sandhurst.
He was a major in the Grenadier Guards and served in the Second Boer War, in China, and in World War I, where he was killed in action in November 1914, aged 36.
He was buried in Zillebeke Churchyard Commonwealth War Graves Commission Cemetery.
There is a window dedicated to him at the Gordon Chapel in Scotland.
Gordon- Lennox appeared in a single first- class cricket match for Middlesex against Gloucestershire in the 1903 County Championship.
Gordon- Lennox married
Evelyn, daughter of Henry Loch, 1st Baron Loch, in 1907.
They had two sons, Lieutenant- General Sir George Gordon- Lennox and Rear- Admiral Sir Alexander Gordon- Lennox.
Lady Bernard Gordon- Lennox remained a widow until her death in June 1944, during World War II, aged 67, when a V- 1 flying bomb hit the Guards Chapel, Wellington Barracks.
Lord Alexander Gordon-Lennox
Lord Alexander Francis Charles Gordon- Lennox( 14 June 1825 – 22 January 1892), was a British Conservative politician.
Lord Nicholas Gordon-Lennox
Lord Nicholas Charles Gordon Lennox( 31 January 1931 – 11 October 2004), the younger son of the 9th Duke of Richmond and his wife, Elizabeth, was a British diplomat, serving as Her Majesty's Ambassador to Spain from 1984- 89.
Lord George Gordon-Lennox
Lord George Charles Gordon- Lennox( 22 October 1829 – 22 February 1877), was a British Conservative politician.

Question: Are both Charles Gordon-Lennox, 7Th Duke Of Richmond and Werner Caskel from the same country?
Answer: no