Robert Stewart, 1st Marquess of Londonderry
Overview
 
Robert Stewart, 1st Marquess of Londonderry PC (Ire)
Privy Council of Ireland
The Privy Council of Ireland was an institution of the Kingdom of Ireland until 31 December 1800 and of the United Kingdom of Great Britain and Ireland 1801-1922...

 (27 September 1739 – 6 April 1821), was an Irish
Irish people
The Irish people are an ethnic group who originate in Ireland, an island in northwestern Europe. Ireland has been populated for around 9,000 years , with the Irish people's earliest ancestors recorded having legends of being descended from groups such as the Nemedians, Fomorians, Fir Bolg, Tuatha...

 politician
Politician
A politician, political leader, or political figure is an individual who is involved in influencing public policy and decision making...

 and landowner, the father of politician Robert Stewart, Viscount Castlereagh
Robert Stewart, Viscount Castlereagh
Robert Stewart, 2nd Marquess of Londonderry, KG, GCH, PC, PC , usually known as Lord CastlereaghThe name Castlereagh derives from the baronies of Castlereagh and Ards, in which the manors of Newtownards and Comber were located...

.
Stewart was born in 1739, son of Alexander Stewart
Alexander Stewart (1699–1781)
Alexander Stewart was an Irish landowner and ancestor of the family of the Marquess of Londonderry.The son of William Stewart, of Ballylawn in County Donegal....

 alderman of Londonderry in 1760 and the nephew of Robert Cowan
Robert Cowan
Robert Cowan was an Irish colonial administrator and the East India Company's Governor of Bombay from 1729 to 1734. He was a collateral ancestor of the Marquesses of Londonderry through the marriage of his sister, Mary Cowan, to Alexander Stewart, father of Robert Stewart, 1st Marquess of...

, the wealthy Governor of Bombay

As the second son he expected to take up the linen trading business in Dublin. He did so and it is for this reason that his first son was born in Dublin.
 
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