A member of the Romanov dynasty , she was his wife , Princess Alexandra of Saxe - Altenburg .
Olga Konstantinova van Rusland -- Duke of Edinburgh , is her grandson .
A member of the Romanov dynasty , Olga Konstantinova was Rusland 's wife , Princess Alexandra of Saxe - Altenburg .
Olga Konstantinova van Rusland -- Duke of Edinburgh , is her grandson .