It's unlikely but possible he has illegitimate descendents alive today. His bastard son Henry Fitzroy died as a teenager leaving no descendents, but it has been speculated that some of Mary Boleyn's kids might have been his- she was his mistress, although she was married. Anyone know of any descendents of her children? Henry had no other rumored illegitimate children, but he did have mistresses. Obviously, he never had another illegitimate son other than Fitzroy, or he would have acknowledged the child, one thinks, unless the paternity was uncertain.
Mary Boleyn's descendants:
Catherine Carey married
Sir Francis Knollys of Rotherfield Greys, son of Sir Robert Knollys of Rotherfield and Lettice Pennystone.
Their children:
Henry Knollys (1541-1583)
Married
Margaret Cave and had issue.
Mary Knollys (Oct 1542-?)
Lettice Knollys (Nov 1543-25 Dec 1634)
Married
Walter Devereaux, Earl of Essex with issue. They were the parents of the Countess of Devonshire, the Countess of Northumberland and the 2nd Earl of Essex. Grandparents of the 2nd Earl of Warwick, 1st Earl of Holland, 1st Earl of Newport, Countess of Leicester, 10th Earl of Northumberland and Duchess of Somerset.
Married
Robert Dudley, Earl of Leicester with issue, one son named Robert Dudley, Baron Denbigh, whose legitimacy is questionable.
Married
Sir Christopher Blount, no issue.
William Knollys, 1st Earl of Banbury (1545-25 May 1632)
Married
Dorothy Braye, no issue.
Married
Elizabeth Howard with issue (questionable legitimacy).
Edward Knollys (1546-1580)
Maude Knollys (1548-?)
Elizabeth Knollys (1549-?)
Married
Sir Thomas Leighton of Feckenham, with issue.
Robert Knollys (Nov 1550-1625)
Married
Joan Heigham, with issue.
Richard Knollys (1552-21 Aug 1596)
Married
Catherine Vaughn, with issue.
Sir Francis Knollys II (14 Aug 1553-1643)
Married
Lettice Barrett, with issue.
Anne Knollys, Lady de la Warr (19 Jul 1555-Sep/Dec 1608)
Married
Thomas West, 2nd Baron de la Warr, with issue (13 children). One of their sons was Commandant of Jamestown (1612-1617), another was Crown Governor of Virginia. Their eldest surviving son became 3rd Baron de la Warr, who was the Governor of the Virginia Company of London. The State of Delaware is named for the 3rd Baron, and he was the ancestor of the Earls de la Warr.
Sir Thomas Knollys (1558-1596)
Married
Lady Odelia de Morada, daughter of the Marquess of Bergen, with issue.
Catherine Knollys (21 Oct 1559-20 Dec 1620)
Married
Gerald FitzGerald, Baron Offaly, with issue (1 daughter).
Married
Sir Philip Butler of Watton Woodhall, issue unknown.
Dudley Warwick Knollys (9 May 1562-1562)
Henry Carey, 1st Baron Hunsdon, married
Anne Morgan, daughter of Sir Thomas Morgan of Arkston and Anne Elizabeth Whitney.
Their children:
Philadelphia Carey, Lady Scrope of Bolton (d. 3 Feb 1626)
Married
Thomas Scrope, 10th Baron Scrope of Bolton, with issue. Their son, Emmanuel Scrope, became the 1st Earl of Sunderland.
Thomas Carey died as infant.
William Carey died as infant.
Thomas Carey died as infant.
George Carey, 2nd Baron Hunsdon (1547-9 Sep 1603)
Married
Elizabeth Spencer, daughter of Sir John Spencer of Althorpe and Katherine Kitson, with issue. Elizabeth's sister was Countess of Dorset. Her nephew was the 1st Baron Spencer of Wormleighton, an ancestor of the Earls of Sunderland, the 3rd Duke of Marlborough and Lady Diana Spencer.
Catherine Carey, Countess of Nottingham (1550-25 Feb 1602)
Married
Charles Howard, 1st Earl of Nottingham, with issue. One daughter was Countess of Kildare and another Countess of Carrick. They were also the parents of the 2nd Earl of Nottingham and Baron Howard of Effingham. One of their granddaughters was the Countess of Peterborough, another was Countess of Tyrconnell.
Sir Edmund Carey (1558-1637)
Married
Mary Crocker, no issue.
Married
Judith Humphrey, with issue.
Married
Elizabeth Neville, issue unknown. She was the widow of John Danvers and daughter of the 4th Baron Latimer. Her sisters were Countess of Northumberland and Countess of Exeter.
Robert Carey, 1st Earl of Monmouth (1560-21 Apr 1639)
Married
Elizabeth Trevannion, with issue. Elizabeth was Robert's 1st cousin, being the daughter of Hugh Trevannion and Sybilla Morgan. Sybilla was Anne Morgan's sister. They were parents to the 2nd Earl of Monmouth and ancestors of the 1st Earl of Monmouth, 2nd Creation (who also became 3rd Earl of Peterborough), the Viscounts Mordaunt of Avalon, and the Duchess of Gordon.
John Carey, 3rd Baron Hunsdon (1563-Apr 1617)
Married
Mary Hyde, with issue.
Henry Carey
Mary Margaret Carey
Married
Sir Edward Hoby, issue unknown.
****
Valentine Carey (illegitimate son), became Bishop of Exeter in 1621
And these are just the grandchildren! LOL.