Collected historically from different libraries about unfortunate biography of interaction with the opposite gender (Multiple female relationships = زير نساء):

• Einstein himself had been unfaithful to his first wife, Mileva Maric, and eventually left her to marry his mistress, Elsa Einstein, who was also his cousin. After divorcing Mileva and marrying Elsa, he soon resumed having dalliances with numerous other women as well.

• Albert Einstein was married twice in his lifetime, first to Mileva Marić and later to his cousin Elsa Löwenthal.

• In the new volume of letters released on Monday by Hebrew University in Jerusalem, Einstein described about six women with whom he spent time and from whom he received gifts while being married to Elsa.

• Some of the women identified by Einstein include Estella, Ethel, Toni and his "Russian spy lover," Margarita. Others are referred to only by initials, like M. and L.