He was a direct descendant of Piotr Wysz Radoliński, a member of the Leszczyc clan who was one of the witnesses to the signing of the Union of Horodło in 1413.

Radolinski had also served as bishop of Kraków and Poznań, as well as royal chancellor of the court during the reign of King Władysław II Jagiełło and Queen Jadwiga.

As a child, Hugo spent much of his time between the family estates in Borzęciczki, Sierniki, and Jarocin, before moving with his mother to Dresden in 1847.

During the Franco-Prussian War, he worked at the high command of the occupying forces in France, as a member of the delegation from Prussia's Ministry of Foreign Affairs.

After Lucy's death from tuberculosis, Radolin married secondly in Oberglogau on 4 June 1892 to Countess Johanna Elisabeth Karoline Philomena von Oppersdorff (1864–1947), eldest daughter of Count Hans von Oppersdorff (1832-1877) and his wife, Elisabeth Alexandrine Florence of Talleyrand-Périgord (1844-1880), daughter of Alexandre de Talleyrand-Périgord, Duke of Dino and granddaughter of Princess Dorothea of Courland.