is the right to succeed to the property left upon the condition that it be preserved perpetually intact in the family and that it be transmitted in order of succession to each next first-born. – Barreto vs Tuason

Purpose

Permanence and non-diminishment of legitimes for full enjoyment of generations.

“…desiring on the other hand to insure in part the permanence of my estate, without diminishing the legitimes of my other children, so that they may fully enjoy them, and taking into consideration the evanescence of the great family fortunes which have existed in these Islands on Account of their not having been entailed, I have determined to established an entail or mayorazgo…”

Don Tuason approved by Royal Cedula of Spain