Background
Alexander was born in Zagreb on May 1, 1865 to a wealthy and prominent Jewish family Alexander. His father, Ljudevit Alexander, was from Güssing, Austria and his mother Leonora (née Weiss) Alexander was from Veszprém, Hungary, the daughter of a wealthy merchant Johann Weiss. He was raised with his brother Erich, and half-siblings Artur, Oskar, Robert Milan, Gizela and Olga, all from his father second marriage.
Alexander mother died when he was three years old, and his father married Ida (née Weiss) Alexander in 1870.
Alexander step mother was not related to his mother, even though she had the same maiden name. Alexander finished elementary school in Zagreb, and high school in Senj.
He attended and graduated from the Faculty of Law at the University of Zagreb. Alexander married twice.
His first wife was Osijek born Olga (née Weiss), sister of a notable Zagreb banker Oton Vinski (born Otto Weiss).
Alexander separated from his first wife in 1904, and married Ivana (née Erben) from Petrinja, daughter of Franjo and Milka Erben. Alexander meet his second wife through his stepsister Olga.
Education
Alexander finished elementary school in Zagreb, and high school in Senj. He attended and graduated from the Faculty of Law at the University of Zagreb.
Career
At the beginning of his career, Alexander was junior barrister in the district court of Vukovar. Later he was the public prosecutor in Osijek. When he returned to Zagreb, at first, he was the deputy public prosecutor and later he was appointed as the public prosecutor.
After World War I, he was decorated with Order of Saint Sava and Order of the Yugoslav Crown.
In 1917, Alexander played an important role in liberating loyal and wrongly charged people from accusations of high treason. He travelled to Vienna, to have an audience with Charles I of Austria, to whom he submitted a report which showed that the accusations of the Austro-Hungarian central administration in Serbia against many distinguished citizens and political leaders such as Doctor Ivo Frank, Doctor Aleksander Horvat, Doctor Vladimir Sachs, almost all the Croatian population in the Kingdom of Croatia-Slavonia, Military Frontier and Kingdom of Dalmatia, were based upon forged documents about supposed secret espionage in favour of the Kingdom of Serbia.
Alexander died on March 26, 1934 in Zagreb and was buried at the Mirogoj Cemetery.
