Background
He was the son of Colonel Henry Cornewall. Velters Cornewall and James Cornewall were his half-brothers.
He was the son of Colonel Henry Cornewall. Velters Cornewall and James Cornewall were his half-brothers.
10th Parliament of Great Britain]
After service with the 2nd Troop of Horse Guards, Cornewall was colonel of the 7th Regiment of Marines from 1740 to 1748, Member of Parliament for Hereford from 1747 to 1754, and Governor of Londonderry from 1749 until his death.