This is a Mordvin name; the given name is Sandra.
Aleksandr Markovich Sharonov (born 18 February 1942) (Russian: ??????´??? ??´?????? ????´???, [al??ks'andr 'mark?vit?? ?a'ron?f], alias Sharononj Sandra (Erzya language: ???????? ??????, [??'r?n?? 's?ndr?]) is a Mordvin (Russian) philologist (Finno-Ugric languages), folklorist, poet and prose writer.His research and social interests include history, mythology and folklore of Erzya and Moksha peoples.