Which preposition to use with unshare

to Occurrences 1%

And there is something of the inspiration of the Holy Grail in that "Vision Splendid" which heartens Tristram Hungerford to make sacrifice of his passion that he may give his soul unshared to the service of the Church.

with Occurrences 1%

"For bliss, as thou hast part, to me is bliss; Tedious, unshared with thee, and odious soon.

Which preposition to use with  unshare