The court will appoint a guardian and unless there are willing and suitable relatives they will first go to foster care and then adoption depending a little on how old they are.
Parents of minor children should always make a Will and and arrange to name a guardian in the case of premature death.
they die
Children will die.
they die
the surviving spouse receives an equal portion as each child.
what happens to the monkeys when they die in the rainforest
You die
African children die mostly of malaria
You die.
then you will die too.
180 Children die every minuite.
people die
The same thing that happens when you die anywhere else - you will remain dead.