How many times did Einstein get married?

Albert Einstein was married two times.

He married Mileva Maric (1875-1948) in January 1903, a former fellow student from his time as a student at the Polytechnic in Zurich. They were divorced in February 1919. 4 months later, in June 1919, he married his cousin Elsa Löwenthal (1876-1936), nee Einstein.