Robert
"1st Marquess of Londonderry, Viscount Castlereigh"
Stewart
Born in County Down, Ireland
Son of Alexander Stewart
and [mother unknown]
Brother of
Alexander Stewart
Husband of
Sarah Frances (Seymour Conway) Stewart
— married
3 Jun 1766 [location unknown]
Husband of
Frances (Pratt) Stewart
— married
7 Jun 1775 [location unknown]
Descendants 
Father of
Matilda (Stewart) Ward, Robert Stewart, Frances Anne (Stewart) FitzRoy, Charles William (Stewart) Vane KG GCB, Georgiana (Stewart) Canning, Selina Sarah Juliana (Stewart) Ker, Emily Jane (Stewart) Hardinge and Octavia Catherine (Stewart) Law
Died
at age 81
in Mount Stewart, Newtonards, Down, Ireland
Profile last modified
| Created 5 Mar 2014
This page has been accessed 2,439 times.
Biography
m.(1) Sarah Frances Seymour-Conway (27 September 1747 – 20 July 1770). m.(2) 7 June 1775, Frances Pratt, daughter of Charles Pratt, 1st Earl Camden.[2]
Child of Robert Stewart, 1st Marquess of Londonderry and Lady Sarah Frances Seymour
- Robert Stewart, 2nd Marquess of Londonderry b. 18 Jun 1769, d. 12 Aug 1822
Children of Robert Stewart, 1st Marquess of Londonderry and Lady Frances Pratt
- Lady Octavia Catherine Stewart d. 5 Mar 1819
- Lady Matilda Stewart d. 3 Oct 1842
- Lady Georgiana Stewart d. 17 Nov 1804
- Lady Caroline Stewart d. 10 Aug 1865
- Lady Selina Stewart d. 5 Feb 1871
- Lady Frances Anne Stewart b. 24 Jun 1777, d. 9 Feb 1810
- Charles William Vane, 3rd Marquess of Londonderry b. 18 May 1778, d. 6 Mar 1854
- Lady Emily Jane Stewart+1 b. 1789, d. 18 Oct 1865
| Title | Date |
|---|---|
| 1st Baron Londonderry | 20 September 1789. |
| 1st Viscount Castlereagh | 1 October 1795. |
| 1st Earl of Londonderry | 8 August 1796. |
| 1st Marquess of Londonderry | 3 March 1816 |
Sources
- Wikipedia entry for Robert Stewart, 1st Marquess of Londonderry
- http://www.thepeerage.com/p1125.htm#i11246
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Robert is 16 degrees from Robert Bruce First King of Scots, 16 degrees from Edward I Plantagenet, 18 degrees from Roger of Methven, 15 degrees from James Douglas, 18 degrees from Alexander Fraser of Touchfraser and Cowie, 16 degrees from Edward Keith Marischal of Scotland, 16 degrees from Andrew Leslie VI of Leslie, 15 degrees from David Lindsay Lord of Crawford and Byres, 15 degrees from Joan Countess of Strathearn, 17 degrees from Agnes Randolph Countess of Dunbar and March, 17 degrees from William Third Earl of Ross and 17 degrees from Henry Sinclair IInd of Roslin on our single family tree. Login to find your connection.