La composición de los almojarifazgos señoriales del reino de Sevilla, siglos XIII-XV

The conquest of Muslim emirates provided the Castilian kings before income received by the party kings. Many of them were grouped in the royal treasure of each locality, called almojarifazgo. As monarchs could not manage, for lack of means, the immense joined the Crown dominions extensive territory gave great lords. The monarchs delivered the territories who not could manage to lords, including their almojarifazgos. The landed gentry used this incomes as base on their political and military power. This incomes could be enjoyed by royal privileges, and kept unchanged to ensure its legitimacy. This fidelity to the past allows us to study how these rents were originally.