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House of Churchill and Spencer
John Churchill of Muston, Dorset (b. c. 1596)
Sir Winston Churchill of Minterne Magna, Dorset (1620–1688). In recognition of the first Sir Winston's services to King Charles I as Captain of the Horse, and his loyalty to King Charles II as a Member of Parliament he was awarded an augmentation of honour to his arms in 1662. His rare mark of royal favour took the form of a canton of St. George.
Sir Winston’s children were:

Lord Churchill of Eyemouth in the Peerage of Scotland (1682-1722)
Baron Churchill of Sandridge (1685-1722)
Earl of Marlborough (1689-1722)
Dukes of Marlborough (1702)
Prince of the Holy Roman Empire (1704-1722)
Prince of Mindelheim (1705-1714)
The Dukedom of Marlborough is the only dukedom in the United Kingdom that can still pass in the female line. The succession for the Dukedom is as follows:
*Most of the families descended from these daughters quarter or quartered Churchill to show their claim to the dukedom, hence the arms of the extant Dukes of Buccleuch through the Montagus and extinct Dukes of Leeds through the Godolphins. In the unlikely event that the male line of the Spencers fails the dukedom would pass to the Villiers Earls of Jersey.
John Churchill, (1650 – 1722) 1st Duke of Marlborough, Marquess of Blandford, 1st Earl of Marlborough, 1st Lord Churchill of Eyemouth, 1st Baron Churchill of Sandridge, Prince of the Holy Roman Empire and Prince of Mindelheim KG.
Children:
Lady Henrietta Churchill, (1681–1733) 2nd Duchess of Marlborough, Countess of Godolphin. Children:
Lady Anne Churchill ( 1683–1716), Countess of Sunderland.
Children:
Lady Elizabeth Churchill (1687-1714), Countess of Bridgewater.
Child:
Lady Mary Churchill (1689-1751), Duchess of Montagu.
Children:









Barons Spencer of Wormleighton (1603)
Earls of Sunderland (1643)
Dukes of Marlborough (from 1733)
Sir Winston Leonard Spencer-Churchill (1874-1965) KG, Lord Warden of the Cinque Ports. Son of Lord Randolph Churchill, the second surviving son of John Spencer-Churchill, 7th Duke of Marlborough.
Barons Churchill (1815)
Viscounts Churchill (1902)
Viscounts Spencer (1761)
Earls Spencer (1765)
Viscount Althorp (1905)
Lady Diana Spencer (1961-1997), daughter of 8th Earl Spencer, married Charles, Prince of Wales.






Spencer of Yarnton (1611-1741)
Spencer of Offley (1627-1633)
Spencer of Offley (1642-1712)
