Earls of Essex-VII Decree date 1543 First holder William Parr, 1st Marquess of Northampton, 1st Earl of Essex and 1st Baron Parr Records #1 Holders Family filter On/Off 1 William Parr, 1st Marquess of Northampton, 1st Earl of Essex and 1st Baron Parr Corrections and Updates To suggest a correction or an update. Click Here