When linguists speak about the relationship between languages using the tree metaphor.
Lessons about kinship between languages are often presented as a tree that has all the necessary information, but which lacks images. Source of ancient languages (Indo-European) has different branches (Romanic and Germanic) from falling off other branches (western and eastern Germanic) who turned in specific languages (Swedish, Danish, Norwegian).
Minna Sundberg, creative online comics, Stand Still and Silent Stay conducted a more attractive chart of kinship between languages. Tree created from it find and Romanian