Duke of Tancos
From Wikipedia, the free encyclopedia
Duke of Tancos (in Portuguese Duque de Tancos) was an aristocratic Portuguese title, associated with the House of Tancos and Atalaia, created in 1790, by Mary I of Portugal to Constança Manoel.
The family name associated with the Ducal House of Tancos is Manoel.
Its holders were:
- Lady Constança Manoel
