Which preposition to use with osman

after Occurrences 1%

I wonder why we are called Ottomans, for who is Osman after whom we are named?

in Occurrences 1%

Meares has deposed Osman in favour of Rabchick, as the former was getting either very disobedient or very deaf.

to Occurrences 1%

We could get not an inch on the main trace of the sledge or on the leading rope, which was binding Osman to the snow with a throttling pressure.

Which preposition to use with  osman