[2] Herbert joined the Royal Wiltshire Militia as captain in 1790 and when the West Somerset Yeomanry was raised in 1794 became its major.
[5] Herbert was nominated a Deputy Lieutenant for the county of Somerset in 1803 and served as High Steward of Newbury.
[6] On 26 April 1796, he married the heiress Elizabeth "Kitty" Acland (d.1813), at St George's Hanover Square.
[6] The westernmost boundary of the historic estate of Pixton Park in Somerset is marked by "Porchester's Post", a 10-foot high oak obelisk first erected in 1796 for that purpose, by the 2nd Earl of Carnarvon, of Highclere Castle in Hampshire, husband of Elizabeth "Kitty" Acland, heiress of Pixton, whom he had married that year.
It is located high up on Exmoor between Withypool Hill and Halscombe Allotment (grid reference SS 828 334), 7 miles north-west of Pixton Park.