Juliana de Lencastre
3rd Duquesa de Aveiro
(1560–1636)

Biographical

3rd Duquesa de Aveiro 1593–1636†
3rd Marquesa de Torres Novas

Juliana claimed the dukedom of Aveiro in opposition to he cousin, Álvaro. The King ordered that they marry and declared them both successors to the dukedom.

Daughter of Jorge de Lencastre and Magdalena de Girón, she was married in c. 1590 to Álvaro de Lencastre, with issue