He held the office of Governor of Portsmouth between 1782 and 1794. He held the office of Lord-Lieutenant of Wiltshire between 1782 and 1794.
Captain Cook's famous ship, the HMS Endeavour, was formerly MS Earl of Pembroke, launched 1765 and so named after this earl.
He wrote the British Army's manual on riding, Military Equitation: or A Method of Breaking Horses, and Teaching Soldiers to Ride - this had already reached a 4th edition by 1793, and his methods were adopted throughout the British cavalry.
Henry Herbert married Lady Elizabeth Spencer and had 2 children. His son was George Augustus Herbert and his daughter, who died aged 10 of consumption, was Charlotte Herbert. He eloped with Elizabeth Catherine (Kitty) Hunter and had an illegitimate son Augustus Reebkomp (an anagram of Pembroke) but later returned to his wife. The child was welcomed at their home, Wilton House, by his wife and was close to his first son. Augustus changed his surname to Montgomery when he became a captain in the Royal Navy.
The earl later had another affair and an illegitimate daughter.
↑ Source Information
Ancestry.com. England, Select Marriages, 1538–1973 [database on-line]. Provo, UT, USA: Ancestry.com Operations, Inc., 2014. Original data: England, Marriages, 1538–1973. Salt Lake City, Utah: FamilySearch, 2013.
↑ Ancestry.com. England, Select Deaths and Burials, 1538-1991 [database on-line]. Provo, UT, USA: Ancestry.com Operations, Inc., 2014.
Original data: England Deaths and Burials, 1538-1991. Salt Lake City, Utah: FamilySearch, 2013.
↑ Ancestry.com. Web: International, Find A Grave Index [database on-line]. Provo, UT, USA: Ancestry.com Operations, Inc., 2013.
Original data:Find A Grave: accessed February 2018.