Of Courland, who bestowed upon him a small estate, which Biren's father inherited and where Biren himself was born.
From henceforth to the end of her life Biren's influence over the duchess was paramount.
Biren's regency lasted exactly three weeks.
All Biren's vast property was confiscated, including his diamonds, worth £600,000.
Biren thereupon forced Anne to order an inquiry into Voluinsky's past career, with the result that he was tried before a tribunal of Biren's creatures and condemned to be broken on the wheel and then beheaded.