None that he knows of. He was raised by his uncle and grew up with his cousin, and it is unknown if he has any siblings.
Hope this helps
Which eruption or volcano type is likely to produce the most violently ejected pyroclastic fragments?
Stratovolcano
The answer is c on the moon you would weigh 1/6 of your body weight because the gravity on the moon is less. Do not get that confused with a your mass is always stays the same.