YOU SAID:

Sitting behind me are my wife, my ex-wife, and my mistress.

INTO JAPANESE

私の後ろに座っている私の妻、私の元妻と私の愛人。

BACK INTO ENGLISH

I sit behind my wife, my ex wife and my mistress.

INTO JAPANESE

私の妻は、私の元の後ろに座って妻と私の愛人。

BACK INTO ENGLISH

My wife sits in the back of my ex wife and my mistress.

INTO JAPANESE

私の妻は私の元の後ろに座っている妻と私の愛人。

BACK INTO ENGLISH

My wife was sitting in the back of my ex wife and my mistress.

INTO JAPANESE

私の妻は、私の元の後ろに座っていた妻と私の愛人。

BACK INTO ENGLISH

My wife is sat in the back of my ex wife and my mistress.

INTO JAPANESE

私の妻が私の元の後ろに座っていた妻と私の愛人。

BACK INTO ENGLISH

My wife and my wife who sat behind me.

INTO JAPANESE

私の後ろに座っていた妻と妻。

BACK INTO ENGLISH

My wife and wife sitting behind me.

INTO JAPANESE

私の妻と妻は私の後ろに座っている。

BACK INTO ENGLISH

My wife and wife are sitting behind me.

INTO JAPANESE

私の妻は私の後ろに座っています。

BACK INTO ENGLISH

My wife is sitting behind me.

INTO JAPANESE

私の妻は私の後ろに座っています。

BACK INTO ENGLISH

My wife is sitting behind me.