Ancestor Language	Descendant Languages
English	Americai Speak Basic English Dutton Speedwords SIMPLE Tutonish [also from German] Volapük [also from German]
Esperanto	Ido Novial [actually from Ido, also from Occidental] Poliespo Sen:esepera
German	Folkspraak [with other Germanic languages] Tutonish [also from English] Volapük [also from English]
Greek	Glosa [also from Latin] Interglossa [also from Latin]
Ido	Novial [also from Romance languages]
Interlingua	Latino Moderne
Latin [see Romance as well]	Glosa [also from Greek] Interglossa [also from Greek] Interlingua [also from Romance and other Western European languages] Latino Moderne [uses Interlingua vocabulary] Latino Sine Flexione SPL
Loglan	-gua!spi Lojban
Romance languages	Eurolengo [concentrating on Spanish] Interlingua [also from other Western European languages] Mundo-Lingue Neo Novial [also from Ido] Occidental Talossan Unitario [concentrating on Spanish]
Russian	Nadsat
Spanish	Eurolengo [with other Romance languages] Unitario [with other Romance languages]