Elizabeth Roboz Einstein
Roboz married Hans Albert Einstein, first son of physicist Albert Einstein, and professor of hydraulic engineering at the University of California, Berkeley, in June 1959. They did not have any children together, although Hans had four children from his first marriage to Frieda Knecht, only two of whom survived into adulthood. Hans died on July 26, 1973, and Roboz wrote a biography of him, "Hans Albert Einstein: Reminiscences of his Life and our Life Together" (1992).
List of haplogroups of historic people
Albert Einstein is alleged to belong to Y Haplogroup E. Tested Einsteins from Germany belong to E1b1b1b2* (cluster SNP PF1952, formerly known as the E-Z830-B or "Jewish cluster"). A patrilineal descendant of Naphtali Hirsch Einstein (1733–1799), Albert Einstein's great-grandfather,Prince-Bishopric of Augsburg of the Holy Roman Empire, was tested and belonged to E-M35 (E1b1b1).