[1] As archbishop of Toledo he exerted himself to protect the clergy from the obligation to pay the excises or octroi duties known as "the millions" and thereby helped to perpetuate the financial embarrassments of the government.

The decrepit King Charles II was childless, and the disposal of his inheritance became a question of great interest to the European powers.

When in 1706 the Austrian party appeared likely to gain the upper hand, Fernández de Portocarrero was led by spite and vexation to go over to them.

He died in September of the same year and by his orders the words Hic jacet pulvis, cinis, et nihil were put on his tomb (here lies dust, ashes and nothing).

While bishop, he was the principal consecrator of:[2] He also presided over the priestly ordination of:[2] {dead link| tag to Full Biography Bray Wyatt