INDO-EUROPEAN

þ represents a dead language (in either sense)

GERMANIC
     EAST GERMANIC: þGothic, þVandalic, þBurgundian
     NORTH GERMANIC: Icelandic, Faroese, Norwegian, Danish-
          Swedish
     WEST GERMANIC
          German-Yiddish, Luxembourgeois, Dutch-Afrikaans
          Frisian, English-Scots

CELTIC
     CONTINENTAL: þGaulish, þetc.
     INSULAR
          GOIDELIC: Irish-Scots Gaelic, þManx
          BRYTHONIC: Welsh, Breton, þCornish

ITALIC
     OSCO-UMBRIAN: þOscan, þUmbrian
     LATIN-VENETIC:
          þVenetic
          þLatin / ROMANCE
               Sardinian
               Rumanian (in four very divergent dialects)
               WESTERN ROMANCE: Italian, þDalmatian, Rhaeto-
                    Romance (Ladin, Friulian), Provencal, French.
                    Catalan, Spanish, Galician, Portuguese,
                    þLadino

HELLENIC: Greek (þArcadian, þAeolic, þLocrian, þIonic,
     þMycenaean)

TOKHARIAN: þTokharian A, þTokharian B

ALBANIAN: Albanian (Gheg, Tosk)

BALTIC: þOld Prussian, Lithuanian, Latvian

SLAV(ON)IC
     SOUTH SLAVIC: þOld Church Slavic, Bulgarian-Macedonian,
          Serbo-Croatian, Slovene
     WEST SLAVIC: Czech-Slovak, Polish, Kashubian, þPolabian,
          Upper Sorbian, Lower Sorbian
     EAST SLAVIC: Russian, Ukrainian, Belorussian

ANATOLIAN: þHittite, þLydian, þPalaic, þLuwian-þLycian

ARMENIAN: Armenian

INDO-IRANIAN
     IRANIAN
          SOUTHWEST IRANIAN: Farsi (Persian), Tadzhiki, Tati,
               Luri-Kumzari, Fars-Lari, etc.
          NORTHWEST IRANIAN: Kurdish, Kirmanji, Talishi,
               Gilaki-Mazandarani, Zaza-Gurani, Parachi, Ormuri,
               etc.
          SOUTHEAST IRANIAN: þScythian, Ossetic, þAvestan,
               Pashto, þBactrian, þSogdian, Yaghnobi, Munji-
               Yidgha, Sanglechi, Parachi-Ormuri, Sarikoli,
               Wakshi, etc.
     NURISTANI (KAFIR): Kati, Wasi-weri, Kalasha-ala, Tregami,
          Ashkun
     INDIC
          þSanskrit 
          ROMANY: Romany (Gypsy)
          SINHALA-MALDIVIAN: Sinhala, Maldivian, Vedda
          INDIC PROPER
               CENTRAL: Hindi-Urdu, Panjabi, Marwari, Gujarati,
                    Pahari, Garhwali, Kumauni, etc.
               EAST-CENTRAL: Nepali, Maithili, Bhojpuri, etc.
               EASTERN: Bengali, Assamese, Oriya
               WESTERN: Marathi, Konkani, Sindhi, Lahnda
               ?DARDIC: Kalasha, Khowari, Kashmiri, Shina,
                    Torwali, Bashkarik, etc.