This is a documentation of the currently known languages related to Dothraki
Proto-plains is the ancestor language to the Dothraki and Lhazareen languages. Currently little is known about Proto-plains, as no details have been officially published by David J. Peterson, but information has been reconstructed from comments made by David on blog posts and interviews. What information is know will be documented here and updated as more is learned.
Lhazareen is a descendant language of Proto-plains, and closest known relative to the Dothraki language. The language is spoken by the pastoral people known as the Lhazareen - a peaceful farming culture who inhabit the Lhazar, a region of rolling hills that border the Skahazadhan River. Currently no information is known about the language, other than minor phonological features.