On 28 Jan 1678 Philip "Infamous Earl" Herbert 7th Earl Pembroke 4th Earl Montgomery (age 26) was imprisoned at Tower of London [Map] by King Charles II of England Scotland and Ireland (age 47) "for uttering such horrid and blasphemous words, and other actions proved upon oath, as are not fit to be repeated in any Christian assembly". He was released two days later on 30 Jan 1678.

Before 05 Feb 1678 Philip "Infamous Earl" Herbert 7th Earl Pembroke 4th Earl Montgomery (age 26) had kicked to death Nathaniel Cony in a tavern for no apparent reason, and a few days later a Middlesex grand jury indicted him for murder. He was tried by his peers on 04 Apr 1678 and found guilty of manslaughter. He successfully pleaded Privilege of peerage, the right to escape punishment for one's first offence, and he was discharged on payment of all fees. The Lord High Steward presiding at the trial, James Butler 1st Duke Ormonde (age 67) warned him to note "that no man could have the benefit of that statute but once". The foreman of the jury Edmund Berry Godfrey (age 56) was found dead in a ditch nine months later.

On 18 Aug 1681 Philip "Infamous Earl" Herbert 7th Earl Pembroke 4th Earl Montgomery (age 29) killed William Smeeth following a drunken evening in the tavern on Turnham Green Chiswick. On 21 Jun 1681 he was indicted for the murder; somewhat inexplicably he received a Royal Pardon.