Bernhard Caesar Einstein

Bernard Caesar Einstein was a Germanborn SwissAmerican physicist, the son of Hans Albert Einstein. Of the four known biological grandchildren of Albert Einstein , he was the only one to survive childhood.

Bernard Einstein was the son of Hans Albert Einstein and Frieda Einstein , who had married in 1927 in Switzerland. Bernard Einstein was born on July 10, 1930 in Dortmund, Germany where Hans Albert was involved in a bridge building project. Hans Albert was the only one of Albert Einsteins three children to marry and have children. Hans Alberts sister, Lieserl Einstein, is assumed to have died in infancy, although it has been suggested that she was given up for adoption. Hans Alberts younger brother Eduard Einstein developed severe schizophrenia in early adulthood and died at age 55, and had no children. Bernards brother, Klaus, was born in 1932 and died at ageof diphtheria in Clemson, South Carolina, United States. Frieda had two more sons that died in early infancy. Eventually Hans Albert and Frieda adopted a girl, Evelyn, shortly after she was born in 1941. One year after Frieda died in 1958, Hans Albert married Elizabeth Roboz, a neurochemist.

Source: Wikipedia