On 30 Apr 1636 Thomas Leventhorpe 2nd Baronet (age 43) was killed in a duel with Arthur Capell of Little Hadham (age 50). His son John Leventhorpe 3rd Baronet (age 6) succeeded 3rd Baronet Leventhorpe of Shingey Hall in Hertfordshire.
Around 30 Jul 1667 Henry Belasyse (age 28) was killed in a duel following a drunken quarrel by his friend Thomas Porter over a trivial matter. The event was described by Samuel Pepys: Here Sir Philip Frowde, who sat next to me, did tell me how Sir H.Belasses is dead, and that the quarrel between him and Tom Porter, who is fled, did arise in the ridiculous fashion that I was first told it, which is a strange thing between two so good friends.
On 06 Oct 1692 Captain Philip Lawson was killed in a duel by his brother-in-law Charles Knollys 4th Earl Banbury (age 30). The House of Lords decided that he was not a Peer (there was doubt over the paternity of his father), and he pleaded in the King's Bench. The second husband his wife Anna Maria Knollys (age 36) had lost to dueling.
In Aug 1701 John Hamner 3rd Baronet (age 69) was killed in a duel (probably). His nephew Thomas Hanmer 4th Baronet (age 23) succeeded 4th Baronet Hamner of Hamner in Flintshire 1C 1620. Isabella Bennet Duchess Grafton (age 33) by marriage Lady Hamner of Hamner in Flintshire.
On 22 Aug 1701 Ferdinando Forster (age 31) was killed in a duel by John Fenwick. Ferdinando slipped on the cobbles before the duel commenced, and was run through by John Fenwick. As Ferdinando had slipped this was regarded as murder and exactly one month later, Fenwick was hanged on the same spot, the authorities having barred all the city gates to prevent any attempt by supporters, to rescue the condemned man.
In the annals of the line of "Bamburgh Forsters", Ferdinando is known only for his untimely end, and for his armour hanging in the Chancel of St Aidan's church, Bamburgh. It has been suggested that in a brawl at a Newcastle pub, Ferdinando, MP for Berwick, and Fenwick taunted each other with partisan political songs. But there seems to be more to it…
On 09 May 1711 Cholmley Dering 4th Baronet (age 31) was killed in a duel at Tothill Fields [Map]. His son Edward Dering 5th Baronet (age 6) succeeded 5th Baronet Dering of Surrenden Dering in Kent. The duel, unusually with pistols rather than swords, was with Richard Thornhill with whom Dering had argued in a pub near Hampton Court Palace [Map] two days previously; Thornhill had afterwards sent Dering a note challenging him to a duel. Both pistols were fired but only Dering was hit. Richard Thornhill was tried for murder but convicted of the lesser offence of manslaughter. Thornhill was murdered three months later.
On 03 Aug 1769 or 25 Aug 1769 James Agar (age 55) was killed in a duel with Henry Flood (age 37) his political rival. James, who missed with his first shot, reputedly shouted "Fire, you scoundrel!": Flood duly fired. Flood was prosecuted for murder, but was found guilty of manslaughter, and spared a prison sentence, as according to the code of the time he had acted honourably. The case, which aroused huge public interest.
On 25 Sep 1777 John Tollemache (age 27) was killed in a duel in New York by Lowther Pennington who had written a sonnet derogatory to Tollemache's wife Bridget Henley. Tollemache was run through with a sword. Pennington received seven wounds but survived. His son John Tollemache (age 2) was adopted by Lionel Tollemache 5th Earl Dysart (age 43).