He was the ancestor of the Esmonde Baronets .
He was a leading Irish Royalist commander in the English Civil War , but was later suspected of disloyalty after he surrendered Duncannon Fort to the enemy .
commander was the commander of the Esmonde Baronets .
He was a leading Irish Royalist commander in the English Civil War , but was later suspected of disloyalty after he surrendered Duncannon Fort to the enemy .