Question

1. I have Mom, Dad, and a sister.
2. I have a mom, a dad, and a sister.

Which one is grammatical?

Answer 1

3. I have my mother, my father, and my sister.

4. I have my mother, my father, and a sister.

5. I have my mother, father, and sister.

Among the five, which one is grammatical?

Answer 2

#2 would be the best of the group.