Pronoun Island: he/him and they/them examples

Here are some example sentences using my he/him pronouns:

He went to the park.

I went with him.

He brought his frisbee.

At least I think it was his.

He threw the frisbee to himself.

Here are some example sentences using my they/them pronouns:

They went to the park.

I went with them.

They brought their frisbee.

At least I think it was theirs.

They threw the frisbee to themselves.