He's ...
strong
He's Bart's...
grandfather / grandpa
He's ...
tall
They're...
old
They're ...
sisters
She is...
clever
They're ...
twins
He's ...
short
She's ...
pretty
He is Violeta's...
brother
He is Jack-Jack's...
father / dad
She is Merida's...
mother / mum
He's ...
young
She's Miguel's...
grandmother / grandma