Misc: The silk road ran between europe and which country?

Questions

The ------------------ was acquired by King Louis XIV in 1668. It was worn 120 years later by Marie Antoinette and it now resides in the Smithsonian Institution. This beautiful natural blue diamond weighs 44.5 carats today.?

The House of Windsor rules England. The Netherlands is ruled by the House of ------.?

Mary Anne Nichols, Martha Turner, Annie Chapman, Elizabeth Stride, and Catherine Eddowes were London prostitutes who were murdered and dismembered by the notorious --------------- in the autumn of 1888. The perpetrator of these chilling atrocities was never found, although many theories as to his/her identity persist to this day.?

------------- became Queen of Scotland when she was only six days old.?

In 1819, not one of the seven sons and five daughters of England's reigning grandfather, King George III, had a single ------------- child who could inherit the empire's throne.?