Francisco Ruiz de Castro

His father, Fernando Ruiz de Castro, was Viceroy of Naples from 1599 to 1601 and Francisco succeeded him in the same year.

His elder brother Pedro Fernández de Castro, 7th count of Lemos, will be later also Viceroy of Naples in 1610–1616.

[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] He married in 1610 Lucrecia Legnano de Gattinara, Duchess of Taurisano (1590-1623 in childbirth).