Prince Roland was married in Paris on 18 November 1880, to Marie-Félix Blanc (1859–1882), the daughter of François Blanc, who reportedly bought a dowry worth 8,400,000 francs to her husband, as well as a reversionary right to a further 6,000,000 francs which she would receive after her mother's death.

In 1884, Bonaparte was part of a scientific expedition that photographed and anatomically measured the Sami inhabitants of Northern Norway.

[2] The following year he was photographing Aboriginal Australians brought to Europe and the US to be studied by anthropologists and exhibited by the general public.

[4] Bonaparte was the President of the Société astronomique de France (SAF), the French astronomical society, from 1921 to 1923.

There is also a small lake on the mountains above the Coast Sámi/Norwegian village of Kvalsund which is called Bonapartesjøen (lit.