JavaEE JTA UserTransaction将数据插入到多个表中

how i can insert data to multiple tables (MySQL) in Java EE&JBoss7.1. I done a couple simple tutorials but now where I had one table, bean file where i added my data and from this file method which added data was called from EntityManager, but now, i want using many tables with relations. I adding simple example which i want make. how i can insert data to multiple tables (MySQL