[1] As the maternal uncle of novelist Alberto Moravia De Marsanich helped to ensure that he enjoyed the patronage of Benito Mussolini's government.

[4] He continued to hold a number of positions in the Italian Social Republic, most notably acting as Assistant Postmaster-General, as well as serving as chairman of both the Banco di Roma and Alfa Romeo.

[1] Within the Salo Republic he largely belonged to the moderate tendency that cautioned against the growing atmosphere of violence and the pervading influence of Nazism.

[7] In his capacity as MSI leader De Marsanich also served as part of the four man leadership of the European Social Movement (ESM), along with Per Engdahl, Maurice Bardèche and Karl-Heinz Priester.

[8] His commitment to moderation in the MSI was frequently at odds with his enthusiastic support for the ESM, a group that contained several leading neo-Nazi activists.