Looking on the internet deeply has found these results:

of which is the most popular phrase on the web.

with which 1133,000,000 results on the web	of which 1717,000,000 results on the web More popular!
Some examples and use cases from the internet:	Some examples and use cases from the internet:
It doesn't look like this phrase is very popular! The search could not find any examples on the internet.	They can afford private schools, some of which are better equipped to handle this situation. That is a piece of information on Italian laws of which Mr Catania is aware, but of which many of you are not. 4 splashes, one of which was Laputa. But there are circumstances of which you may be unaware. Time is the substance of which I am made. This is a closed world of which we are responsible. These are exactly qualities of which Joseph Messner made proof. Type, of which you spoke.

with which

1133,000,000 results on the web

of which

1717,000,000 results on the web

More popular!

It doesn't look like this phrase is very popular! The search could not find any examples on the internet.

They can afford private schools, some of which are better equipped to handle this situation.
That is a piece of information on Italian laws of which Mr Catania is aware, but of which many of you are not.
4 splashes, one of which was Laputa.
But there are circumstances of which you may be unaware.
Time is the substance of which I am made.
This is a closed world of which we are responsible.
These are exactly qualities of which Joseph Messner made proof.
Type, of which you spoke.