Тетю зовут Оля ей 27,папу Гриша ему 37,дедушку и бабушку Маша и Саша 57 и 61

My aunt called Olga, she is 27.
My dad called Grisha, he is 37.
My grandparents are called Marsha and Sasha, they are 57 and 61.

1. She's 27 years old
2. He's 37 years old
3. They're 57 years old and 61 years old