Boris Delone
Boris Nikolaevitch Delone got his surname from an Irish ancestor called Deloney, who was among the mercenaries left in Russia after the Napoleonic invasion of 1812. Delaunay is the French transliteration of the name.
JOC/EFR August 2003
The URL of this page is:
http://www-history.mcs.st-andrews.ac.uk/Extras/Delone.html