Romance (Latin) Languages

Italian : Sardinian : French : Provencal : Catalonian
Spanish : Ladino : Galician : Portuguese : Romansh
Romanian : Moldavian
Latin : Oscan : Umbrian : Faliscan : Sabine : Dalmatian

Slavic Languages

Eastern Branch: Russian : Belorussian : Ukrainian :
Western Slavic Branch: Polish : Sorbian
Czech : Slovak : Slovene : Croatian :
Southern Slavic Branch Serbian
Kashubian : Bulgarian : Macedonian : Bosnian
Old Church Slavic

Celtic Languages

Welsh : Irish Gaelic : Scottish Gaelic : Breton
Cornish : Gaulish : Cumbrian : Manx : Galatian

Germanic languages

English : Dutch : Flemish : Frisian : Afrikaans
German : Yiddish : Danish : Swedish : Norwegian
Faroes : Icelandic
Anglo Saxon : Old Norse : Frankish : Gothic
Lombardo : Visigoth : Vandal

Baltic languages

Lithuanian : Latvian
Prussian 

Hellenic Languages

Modern Greek
Mycenaean : Koine : Byzantine Greek
Classical Greek (Attic : Doric, Ionic, Aeolic) 

Illyric LanguagesThracian Languages

Armenian
Thracian : Phrygian

Iranian Languages

Farsi : Kurdish : Pashto : Baluchi : Ossetian : Tadzhik
Persian : Avestan : Scythian

Indic Languages

Hindi : Urdu : Nepali : Bengali : Assamese : Oriya
Kashmiri : Punjabi : Sindhi : Marathi : Gujarati
Bhili : Lahnda : Maithili : Magahi
Konkani : Sinhalese : Maldivian : Romany
Sanskrit : Pali

Tokharian Languages

Albanian

Anatolian Languages

Hittite : Lydian : Lycian: Luwian : PalaicTurfanian : Kuchean