Which preposition to use with tzar

of Occurrences 10%

But the Postman, under date of 26th March, says, "On Tuesday the Tzar of Muscovy went on board admiral Mitchell, in his Majesty's ship the Humber, who presently hoisted sail and put to sea from Spithead, as did also his Majesty's ships the Restauration, Chichester, Defiance, Swiftsure, York, Monmouth, Dover, Kingston, Coventry, Seaforth, and Swan."

in Occurrences 1%

Thus the Poles hope much from the young Tzar in the future, and believe that he would do more were he not held back by Russian public opinion.

out Occurrences 1%

Kist was still but a journeyman blacksmith, and the Tzar out of compassion for his old acquaintance made him a handsome present.

Which preposition to use with  tzar