From this family three Professors of Anatomy at the University of Edinburgh, Scotland were produced, as well as several other doctors and military officers.
He next visited Paris and on 17 September 1757 entered Leiden University where he formed a friendship with two famous anatomists, Bernhard Siegfried Albinus and Petrus Camper.
However his foreign studies were principally prosecuted at Berlin, where he worked under the celebrated Professor Meckel, in whose house he lived.
Alexander spent some time in Edinburgh during early 1757 in order to fill the place of his father, who was confined to the house by illness.
He had four children: Alexander Monro tertius followed his father and grandfather in becoming professor of anatomy at the University of Edinburgh.