Viscounts of Santa Mónica Created by Louis I, king of Portugal Decree date 02-12-1876 First holder Henrique O' Neill, viscount of Santa Mónica * 1821 Records #1 Holders Family filter On/Off 1 Henrique O' Neill, viscount of Santa Mónica * 1821 Sources Nobreza de Portugal e Brasil - 3 vols-vol. 3-pg. 299 Corrections and Updates To suggest a correction or an update. Click Here
