 The Habsburgs rewarded this House's fidelity with new honours and titles, elevating the 6th Count to the marquessate of Gouvêa, a Portuguese noble title granted by Letters Patent of King Philip III of Portugal, (IV of Spain), dated 20 January 1625).The title of Count of Portalegre was then used by the heir presumptive of the House of Gouvêa.When the 2nd Marquess of Gouvêa died without issue, this assets, honours and titles were incorporated into the House of the Counts of Santa Cruz, with the 5th Count inheriting the office of Mordomo-mor and his eldest son the marquessate of Gouvêa.