Counts of Oilliamson Comtes d' Oilliamson Records #4 Holders Family filter On/Off Gabriel, count of Oilliamson * 1738 Jacques, count of Oilliamson * 1914 Pierre-Appolinaire, count of Oilliamson * 1947 Pierre, count of Oilliamson * 1867 Corrections and Updates To suggest a correction or an update. Click Here