The wife and widow of the Dominican President Antonio Guzmán, she founded the National Council for Childhood (CONANI) and earned the mote of "the Eternal First Lady".

After the presidency of her late husband, she was devoted to philanthropy and volunteerism in the city of Santiago de los Caballeros.

After the fall of the dictatorship of Trujillo, they devoted themselves to politics and joined the Juan Bosch's Dominican Revolutionary Party.

The former wrote about Klang in his diary and said that: "The wife of the president of the Dominican Republic is intelligent and vivacious.

"[2] After her husband’s suicide, just days before the end of his constitutional term, she moved back to Santiago and dedicated to philanthropy.