Duke of Tancos (original) (raw)

Duke of Tancos (in Portuguese Duque de Tancos) was a Portuguese title of nobility, granted by a royal decree issued by Queen Maria I of Portugal on April 22, 1790, to , 2nd and 7th . The Queen upgraded Dona Constança Manoel to the duchess rank (only during her life), when she became the queen's Chamberlady (Camareira-Môr), the highest palatine office for a lady.