With an eloquent model you can update data simply by calling
$model->update( $data );
But unfortunately this does not update th
You may try something like this, for example a Client
model and an Address
related model:
// Get the parent/Client model
$client = Client::with('address')->find($id);
// Fill and save both parent/Client and it's related model Address
$client->fill(array(...))->address->fill(array(...))->push();
There are other ways to save relation. You may check this answer for more details.