Well, you have 13 children and 14 seats. Since you ask "how many children are left?" (clearly, none) I'm wondering if there is a bit missing to the question, such as "no child is allowed to sit alone", or "these kids must sit together" etc... Since there are plenty of seats for all (and one extra seat), seating should not be an issue, let alone cause for a mathematical conundrum.
He had no children with elsa but they raised Albert children from his previous marriage 
six children
I am a kid and I have no difficulties but some kids might
She had three kids Byron, Anne and Ralph.
around five kids
Thirteen children
There are a number of kids on WikiAnswers. However, the site prohibits membership of children below the age of thirteen (13). Those who attempt to join, who are not at least thirteen, are banned from the site. Many children access WikiAnswers from school though as unregistered guests.
Each state has there own laws regarding children in car seats, you would need to check with your located DMV.
he had sex with a girl name crapppy and had 12 kids
they should have booster seats because you might get hurt only for 8 and down kids
No she had 4,
it depends how old the kids are! :)
Kids get taller around the age of thirteen to 15 when they have their growth spurt.
Whenever when you say the kids age, you have to say teen in the age, eg. thirTEEN is a teenager, but eleven is not because thirteen has the word teen in it.
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Yes, she had thirteen and she was married.
You don't have to be a certain age to have a cell phone. Some elementary school children have cell phones. So there is no limit. It is up to the parents to decide how much freedom to give their children.