Parent project:
mvn archetype:generate -DinteractiveMode=true -DarchetypeGroupId=org.codehaus.mojo.archetypes -DarchetypeArtifactId=pom-root -DarchetypeVersion=1.1
Child Project:
mvn archetype:generate -DinteractiveMode=true -DarchetypeGroupId=org.apache.maven.archetypes -DarchetypeArtifactId=maven-archetype-quickstart -DarchetypeVersion=1.1