Hans Albert Einstein
Hans Albert Einstein was a SwissAmerican engineer and educator, and the second child and first son of Albert Einstein and Mileva Mari. He is best known for his research on sediment transport. Hans Albert Einsteins papers are held at the Water Resources Collections and Archives in the University of California, Riverside Libraries.
Hans Albert Einstein was born on May 14, 1904 in Bern, Switzerland, where his father, Albert Einstein, worked as a clerk in the patent office. His father was of GermanJewish descent and his mother Serbian. His younger brother, Eduard Einstein, was born in 1910 and died in 1965. The fate of his older sister, Lieserl Einstein, Albert Einsteins and Mileva Maris first child, is unknown. Their parents divorced in 1919 after living apart for five years.
Source: Wikipedia