Sun is their father, and he is 57 years old. Jupiter is the oldest child, and he's 22. Saturn is the 2nd oldest, he's 20. Uranus is the 3rd oldest child, he is 18 years old. Neptune is the 4th oldest, he's 18. Earth is the 5th oldest, he's 16. Venus is the 6th oldest, he's 14. Mars is the 7th oldest, and is 13. Mercury is the 8th oldest aka youngest and is 10

the 9 of them live in a mansion with a giant backyard in the milkyway city