<fontconfig>

        <alias binding="same">

          <family>Cambria</family>

            <accept>

              <family>Caladea</family>

            </accept>

        </alias>

        <alias binding="same">

          <family>Caladea</family>

            <default>

              <family>Cambria</family>

            </default>

        </alias>

</fontconfig>