Sir Lancelot Douglas Carnegie, GCVO, KCMG, PC  (26 December 1861-15 October 1933), sometime British Minister and then Ambassador and Minister Plenipotentiary to the Republic of Portugal

Portugal

Portugal , officially the Portuguese Republic is a country situated in southwestern Europe on the Iberian Peninsula. Portugal is the westernmost country of Europe, and is bordered by the Atlantic Ocean to the West and South and by Spain to the North and East. The Atlantic archipelagos of the...

 in 1925, was the second son of the 9th Earl of Southesk

James Carnegie, 9th Earl of Southesk

Sir James Carnegie, 9th Earl of Southesk KT , known as Sir James Carnegie of Kinnaird and of Pitcarrow, 6th Baronet and de jure of the other titles, from 1849 to 1855, was a Scottish nobleman....

, and the eldest son by his second marriage (1860) to Lady Susan Murray (died 1915), eldest daughter of Alexander Murray, 6th Earl of Dunmore

Alexander Murray, 6th Earl of Dunmore

Alexander Edward Murray, 6th Earl of Dunmore was the son of George Murray, 5th Earl of Dunmore.On 27 September 1836, he married Lady Catherine Herbert, daughter of the 11th Earl of Pembroke...

. His matrilineal great-uncle was the diplomat and statesman Sidney Herbert, Lord Herbert of Lea.

In 1924 he was appointed to the Privy Council, entitling him to the style "The Right Honourable".

Family

Carnegie was married in 1890 to Marion Alice de Gournay Barclay, (1868-23 August 1961, died aged 93), daughter of Henry Ford Barclay.
According to their granddaughter Lady John Kerr, Marion lost her hearing at the age of 30, but this did not stop her leading a full life. Lady Carnegie was the daughter of Henry Ford Barclay by his first wife Richenda Louisa Gurney (d. 1888) the youngest daughter of Samuel Gurney

Samuel Gurney

Samuel Gurney was an English banker and philanthropist.He should not be confused with his second son, Samuel , also described as banker and philanthropist, and a Member of Parliament.-Early years and marriage:...

, of Ham House, Upton Park, himself of the landed family Gurney of Walsingham Abbey, Norfolk.

The Carnegies had three children

1. James Murray Carnegie (1909-1985), who married 1939, Diana Winifred Mary Renshaw, daughter of Henry Arthur Renshaw. They had issue five daughters, including twins (the two youngest), but two daughters died very young.
2. Mariota Susan Carnegie (1892-) later Lady Gurney, married 1911, Sir Hugh Gurney, KCMG, MVO, (1878-?), sometime British Ambassador to Brazil, and to Denmark in 1933, and in 1947, the chief secretary of the British Palestine government in 1947., son of John Gurney and his wife Isabel Blake-Humfrey
   Isabel Talbot, Baroness Talbot de Malahide
   Isabel Charlotte Talbot, Baroness Talbot de Malahide, DBE , née Blake-Humfrey, known as Isabel Charlotte Gurney from 1873 to 1901, was an English philanthropist....
   
    (later wife of the 2nd Baron Talbot de Malahide); they had issue three sons and three daughters, of whom the second married Lord John Kerr, younger brother of the 12th Marquess of Lothian
   Marquess of Lothian
   Marquess of Lothian is a title in the Peerage of Scotland. It was created in 1701 for Robert Kerr, 4th Earl of Lothian. The Marquess of Lothian holds the subsidiary titles of Earl of Lothian , Earl of Lothian , Earl of Ancram , Earl of Ancram , Viscount of Briene , Lord Newbattle ,...
   
    and the third (Susan) Richenda (b. 1937) married 2ndly the 2nd Lord Elton
   Rodney Elton, 2nd Baron Elton
   Rodney Elton, 2nd Baron Elton is a British politician and Conservative member of the House of Lords.Lord Elton was educated at Eton College and New College, Oxford. The son of Godfrey Elton, 1st Baron Elton, Lord Elton succeeded to the peerage on his father's death in 1973...
   
   .
3. Dorothea Helena Carnegie (1906-1985) later Countess of Mansfield & Mansfield; married 1928, Mungo David Malcolm Murray, 7th Earl of Mansfield (1900-1971), then Viscount Stormont. They had issue one son (the present Earl) and two daughters (including the present Countess of Moray).