(#2) Who's he?
He's her cousin.
She flies planes. Who is she?
She's a pilot.
They're parents of your parents. Who are they?
grandparents
He fights fires. Who is he?
He's a firefighter.
She's your mom's sister. Who is she to you?
aunt
(#1) Who are they?
They're her parents.
He's your mom's brother. What do you call him?
uncle
(#4) Who are they?
They're his grandparents.
He drives buses. Who is he?
He's a bus driver.
She sells things. Who is she?
She's a salesperson.
They're your aunt's kids. What do you call them?
cousin(s)
(#1) Who are they?
They're her parents.
He makes food. Who is he?
He's a cook. / He's a chef.
(#3) Who's she?
She's her cousin.
(#6) Who is she?
She's his aunt.
(#5) Who is he?
He's his uncle.