[1] Orphaned at twelve years old following the death of his father, a professor at Ghent University, Charles de Visscher and his younger brother Ferdinand (d. 1964) were placed in the care of Abbé Watté.

[2] The elder de Visscher attended Ghent University where he earned his Docteur en Droit—at the time, an initial law degree—graduating 8 October 1907.

[4] After World War I, de Visscher worked as a legal advisor to the Belgian Foreign Ministry.

[6] First appearing before the Permanent Court of International Justice was in 1927, de Visscher served as counsel for the Romanian government during their dispute over the Danube Commission.

[8] His final appearance as counsel before the Permanent Court was in 1933, where he represented Denmark in Legal Status of Eastern Greenland.