Francisco remained in Naples until April 1603. In 1616 he became Viceroy of Sicily, a position he held until 1622 [1]. He played an instrumental role in establishing the Orfanotrofio del Buon Pastore in Palermo; a boy's orphanage which eventually evolved into the Palermo Conservatory of Music.[2][3]
In 1629, he became a Benedictine monk at the monastery of San Benito in Sahagun, with the name of Father Agustín de Castro. He died in 1637, and was interred at Monforte de Lemos, Galicia, his family's burial place [1].
Marriage and children
He married in 1610 with Lucrecia Legnano de Gattinara, Duchess of Taurisano (1590-1623 in childbirth).
They had 7 chidren of which 4 died very young. He was succeeded by his eldest son
Francisco Fernández De Castro, 9th Count of Lemos (1613-1663) [1].
Elorza, Juan C.; Lourdes Vaquero, Belén Castillo, Marta Negro (1990). Junta de Castilla y León. Consejería de Cultura y Bienestar Social (ed.). El Panteón Real de las Huelgas de Burgos. Los enterramientos de los reyes de León y de Castilla, 2ª edición, Editorial Evergráficas S.A., pp. 54. ISBN84-241-9999-5.
Augustinian Father J.M. Cuenca Coloma, Sahagún, monasterio y villa (1085-1985) Edit. Estudio Agustiniano 1985. Another edition, Valladolid, 1993.