Solution of "Family tree of the Lion's Royal Family"

Mufasa is the father of Simba.

Simba is Sarabi's son.

Scar is the brother of Mufasa and the uncle of Simba.

Kiara is Nala's daughter.

Kiara is Sarabi's granddaughter.

Nala is the daughter-in-law of Mufasa.

Mufasa is Nala's father-in-law.