What does Los hijos de Jose se llaman mean?

"Los hijos de José se llaman" means "The children of José are called..."

Let's break it down:

* Los: The (masculine plural)

* hijos: sons (or children, but it's generally understood as sons in this context)

* de: of

* José: Joseph

* se llaman: are called

So, this phrase is used to introduce the names of José's children. You would follow it with the actual names.

For example:

* Los hijos de José se llaman Juan y Maria. (The children of José are called Juan and Maria.)