Baronesses of Plettenberg Baronesas de Plettenberg Records #3 Holders Family filter On/Off Clarissa, countess of Hagen, baronesa von Plettenberg * 1970 Nina Anna Sophie, baroness of Plettenberg * 1965 Petronella Agatha, baroness van Plettenberg * 1765 Corrections and Updates To suggest a correction or an update. Click Here