Looking on the internet deeply has found these results:

i know some of them is the most popular phrase on the web.

I know any of them 1338,000 results on the web	i know some of them 11,030,000 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.	I know but some of them don't. I know some of them, but just their first names. A lot of people with asperger's, they have relationships, they get married, they live normal liv I know some of them, sir, but it was very dark... I told the men to spare the women and children, but I know that some of them ignored the order. I know some of them lot from school and through her, but not well enough to know who's after you. I know that However some of them are aristocrats' illegitimates I know that some of them are deeply sincere, and I know that causes a problem.

I know any of them

1338,000 results on the web

i know some of them

11,030,000 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.

I know but some of them don't.
I know some of them, but just their first names.
A lot of people with asperger's, they have relationships, they get married, they live normal liv
I know some of them, sir, but it was very dark...
I told the men to spare the women and children, but I know that some of them ignored the order.
I know some of them lot from school and through her, but not well enough to know who's after you.
I know that However some of them are aristocrats' illegitimates
I know that some of them are deeply sincere, and I know that causes a problem.