Counts of Serra Largo Created by Charles I, King of Portugal Decree date 11-01-1896 First holder Peter Alexander Cameron Mackenzie, 1st Count of Serra Largo * 1856 Records #1 Holders Family filter On/Off 1 Peter Alexander Cameron Mackenzie, 1st Count of Serra Largo * 1856 Sources Nobreza de Portugal e Brasil - 3 vols-vol. 3-pg. 382 Corrections and Updates To suggest a correction or an update. Click Here