Marquess of Santa Cruz was a noble title in two countries and Marquise of Santa Cruz in one.
Brazil edit
Romualdo Antônio de Seixas (1787–1860) was the first and only Count and Marquess of Santa Cruz.
Portugal edit
The feminized title was created by John V of Portugal by decree in 1691 for Teresa de Moscoso Osório
Spain edit
Spanish variations include: