Who are Phill and Bella?
They're my parents.
Who's Sandy?
She's my cousin.
Who's Bella?
She's my mother
Who's Phill?
He's my father
Who's Bob?
He's my brother.
Who's Lis?
She's my aunt.
Who are Sandy and Junior?
They're my cousins
Who's Ana?
She's my grandmother.
Who are Bob and Ari?
They're my brothers / They're my brother and sister.