Background
Herbert was the son of William Herbert, 1st Baron Powis, and his wife Eleanor Percy (d 1650).
Herbert was the son of William Herbert, 1st Baron Powis, and his wife Eleanor Percy (d 1650).
He was knighted on 7 November 1622, and was created a baronet on 16 November 1622. Herbert inherited the title Baron Powis on the death of his father in 1655.
In 1621 Herbert was elected Member of Parliament for Shaftesbury at a by-election after the previously elected member was expelled.