During her husband's third term as president, Isabel served as vice president and following her husband's death in office, Isabel served as president from July 1,1974 to March 24,1976.
Isabel served as vice president. This was during her husband's third term as president. Isabel served as president from July 1,1974 to March 24,1976. This was during her husband's third term as president. This was following her husband's death in office.