House of Osorio

Cadet branch of the House of Villalobos

Coat of Arms
House of Osorio
Lords of Villaornate, Valderas, Fuentes and Ropel
Ancient arms
House of Osorio
Lords of Castroverde, Villalobos and Cepeda
Counts of Trastámara
Marquises of Astorga
Dukes of Aguiar

Cadet Branches
House of Castro Osorio
Lords of Villafranca, Cabrera
and Ribera
Counts of Lemos
Issued from Álvar Rodríguez Osorio, younger son of Juan Álvarez Osorio
House of Castro de Portugal
Counts of Lemos
Marquises of Sarria
Dukes of Taurisano
Matrilineal branch issued from Beatriz de Castro Osorio, 3rd Countess of Lemos