References are to be found to the surnames
Iranzo and Pérez-Duque in the district
of Utiel-Requena soon after the conquest of the
area from the Moors by King Fernando III of Castile
in the 13th century.
the Iranzo family received a grant of nobility
from King Juan II of Castile.
Don Pedro Yuste Iranzo received letters patent
from King Philip IV of Hapsburg appointing him
High Sheriff of the Town of Utiel, with the right
to bear arms.
On the Pérez-Duque family, Enrique Herrero
y Moral’s History of Requena, written in
1890, describing the medieval blazoned houses
in the old city, says “…that of the
Palace of Fernando Pérez-Duque, as it is
known, …whose lords are descended from the
first settler knights”.
The present house of the Iranzo Pérez-Duque
family in Requena was built in 1794, and is classified
as a Cultural Heritage site by the Valencia Regional