Verb yo be para la presentación de una familia?

We're a big family

I'm the older sibling my name is.

(tu nombre)

She's my mom her name is.

(nombre de mamá)

He's my dad his name is.

(nombre de papá)

She's my young sister named (nombre de hermana)

They're my twin brothers named.

(nombres de hermanos gemelos)

And that is my dog Rocky, hope you're good to live with us.