YOU SAID:

I want to make a party that has many people including myself.

INTO JAPANESE

私は自分自身を含む多くの人々 を含むパーティを作りたいです。

BACK INTO ENGLISH

I want to make a party with many people, including myself.

INTO JAPANESE

私は自分自身を含む多くの人々 とパーティーを作りたいです。

BACK INTO ENGLISH

I and many people, including myself, want to party.

INTO JAPANESE

私は、私を含め多くの人々 がパーティーにしたいです。

BACK INTO ENGLISH

Including myself, me and many people want to party.

INTO JAPANESE

私も含め、私と多くの人々 はパーティーにしたいです。

BACK INTO ENGLISH

Including myself, me and many people want to party.