YOU SAID:

I wish my sister gave my dad a chance to procreate with her.

INTO JAPANESE

私は妹が私のお父さんに彼女と出産する機会を与えてくれることを願っています。

BACK INTO ENGLISH

I hope my sister gives my father the opportunity to give birth to her.

INTO JAPANESE

私は妹が私の父親に彼女を出産する機会を与えてくれることを願っています。

BACK INTO ENGLISH

I hope my sister has the opportunity to give birth to her to my father.

INTO JAPANESE

私は妹が私の父親に彼女を出産する機会があることを願っています。

BACK INTO ENGLISH

I hope my sister has the opportunity to give birth to her to my father.