You can't, sorry.
Most children communicate with each other by talking.
because he can't .
If he has children with his ex, he has to communicate with her. If not, there is no reason.
Oracles and seers. Often the gods would communicate with their demigod children through dreams.
to help blind children communicate or something
because he can't .
so we can communicate to people and we can know where our children are at
Three- to six-month-old children typically communicate through crying, cooing, babbling, and making eye contact. They may also engage in simple gestures like waving their arms or kicking their legs to express themselves. At this age, they are beginning to understand emotions and try to communicate their needs through these early forms of expression.
Ideally, parents should first communicate their expectations to their children as soon as children can understand. This can be as young as two years old and the method of communication will keep changing as the child grows.
like any other kid in any other religion
Parents are there for their children and should be the first people their children can turn to for help- you need to be able to communicate in order to get help when you need it.