One of her sons , Juan Beckmann Gallardo , would manage the business .
After Ana Gonzalez Rubio 's death in 1934 , the estate was left to her niece Guadalupe Gallardo , who died in 1966 and left the estate to her sister , Virginia Gallardo .
One of Ana Gonzalez Rubio 's sons , Juan Beckmann Gallardo , would manage the business .
After Ana Gonzalez Rubio 's death in 1934 , the estate was left to her niece Guadalupe Gallardo , who died in 1966 and left the estate to her sister , Virginia Gallardo .