The Andrades took advantage of this family's prestige and titles using the Freire coat of arms since the Andrades did not belong to any order of chivalry. In turn the Freires tapped into a new source of wealth, it was a mutually beneficial alliance.
The Andrades leveraged this family's prestige and honors by using the Freire coat of arms, as they were not part of any chivalric order. In exchange, the Freires accessed a fresh source of wealth; this was a mutually beneficial agreement.