Помогите сделать №4 пожалуйста...Заранее огромное спасибо!

Спасибо огромное!Очень выручили!)

1. Nikolai is Mikhail's and Maria's brother, Maxim's and Olga's uncle.2. Mikhail is Maxim's father, Victor's, Sergei's and Olga's uncle.3. Maria is Nikolai's and Mikhail's sister, Victor's, Sergei's and Olga's aunt.4. Natalya is Boris Ivanovich's daughter-in-law, Nikolai's wife.5. Maxim is Victor's, Sergei's and Olga's cousin, Nikolai's and Maria's nephew.6. Olga is Nikolai's and Mikhail's niece, Victor's, Sergei's and Maxim's cousin.7. Victor is Mikhail's and Maria's nephew, Maxim's and Olga's cousin.8. Igor is Nikolai's and Mikhail's brother-in-law, Maria's husband.