Klaus Martin Einstein

Klaus was born in 1932. Klaus' father was Hans Albert Einstein and his mother was Frieda Knecht (Einstein). His paternal grandparents were Albert Einstein and Mileva Marić (Einstein). He had a brother named Bernhard. He had an adopted sister named Evelyn. He died due to a medical problem, Diphtheria infection, at the age of 6 in Clemson, South Carolina.

A number of biographers assert that his parents were adhering to the canons of Christian Science and had not sought appropriate medical attention for him.

Re his birth and death dates: Klaus Martin tombstone plate in Woodlawn Cemetery in Greenville, SC, states his birth date: March 15, 1933; death date: Jan 5, 1939.