Direct Illegitimate Descendants of Charles II Part 2: Dukes of Grafton

Dukedom of Grafton (Wikipedia):

Is a title in the Peerage of England. It was created in 1675 by Charles II of England for Henry FitzRoy, his second illegitimate son by the Duchess of Cleveland. The most notable duke of Grafton was Augustus FitzRoy, 3rd Duke of Grafton, who served as Prime Minister from 1768–1770. The Current Duke is Henry Fitzroy, The 12th Duke of Grafton. The Graftons are direct male line descendants of Charles II through an illegitimate line.

Coat of Arms for Dukes of Grafton

Descent from Charles II (From Wikipedia):

• Henry FitzRoy, 1st Duke of Grafton (1663–1690), second illegitimate son of Charles II and the Duchess of Cleveland;

Other titles (2nd–9th Dukes): Earl of Arlington and Viscount Thetford (1672), Baron Arlington (1664), Baron Arlington (1672)

• Charles FitzRoy, 2nd Duke of Grafton (1683–1757), only son of the 1st Duke
  • Charles FitzRoy, Earl of Euston (1714–1715), eldest son of the 2nd Duke, died young
  • George FitzRoy, Earl of Euston (1715–1747), second son of the 2nd Duke, predeceased his father without issue
• Augustus Henry FitzRoy, 3rd Duke of Grafton (1735–1811), eldest son of Lord Augustus FitzRoy, third son of the 2nd Duke; Prime Minister, 1768–70
• George Henry FitzRoy, 4th Duke of Grafton (1760–1844), eldest son of the 3rd Duke
• Henry FitzRoy, 5th Duke of Grafton (1790–1863), eldest son of the 4th Duke
• William Henry FitzRoy, 6th Duke of Grafton (1819–1882), eldest son of the 5th Duke, died without issue
• Augustus Charles Lennox FitzRoy, 7th Duke of Grafton (1821–1918), second son of the 5th Duke
  • Henry James FitzRoy, Earl of Euston (1848–1912), eldest son of the 7th Duke, predeceased his father without issue
• Alfred William Maitland Fitzroy, 8th Duke of Grafton (1850–1930), second son of the 7th Duke
  • William Henry Alfred Fitzroy, Viscount Ipswich (1884–1918), only son of the 8th Duke, predeceased both his father and grandfather
• John Charles William FitzRoy, 9th Duke of Grafton (1914–1936), only son of William FitzRoy, Viscount Ipswich, died unmarried
• Charles Alfred Euston FitzRoy, 10th Duke of Grafton (1892–1970), eldest son of the Rev. Lord Charles Edward FitzRoy, third and youngest son of the 7th Duke
• Hugh Denis Charles FitzRoy, 11th Duke of Grafton (1919–2011), eldest son of the 10th Duke
  • James Oliver Charles FitzRoy, Earl of Euston (1947–2009), eldest son of the 11th Duke, predeceased his father in 2009^[6]
• Henry Oliver Charles FitzRoy, 12th Duke of Grafton^[7] (b. 1978), only son of Lord Euston

The heir apparent is the present holder's son, Alfred James Charles FitzRoy, Earl of Euston (b. 2012)