How many Pokemon received an evolution or pre-evolution after the generation they were introduced?

So for example how pichu was introduced a generation after Pikachu & Raichu or how Leafeon was introduced 3 generations after eevee.

*This does not include Mega-Evolutions

Pleaselog inorregisterto add a comment.

() means genPikachu - Pichu(2), Alolan raichu(7)Clefairy - Cleffa(2)Jigglypuff - Igglybuff(2)Golbat - Crobat(2)Gloom - Bellossom(2)Poliwhirl - Politoed(2)Slowpoke - Slowking(2)Magneton - Magnezone(4)Onix - Steelix(2)Exeggcute - Alolan Exeggutor(7)Cubone - Alolan Marowak(7)Hitmon Evo. family - Hitmontop(2), Tyrogue(2)Lickitung - Lickilicky(4)Rhydon - Rhyperior(4)Chansey - Happiny(4), Blissey(2)Tangela - Tangrowth(4)Seadra - Kingdra(2)Mr. Mime - Mime Jr.(4)Scyther - Scizor(2)Jynx - Smoochum(2)Electabuzz - Elekid(2), Electivire(4)Magmar - Magby(2), Magmortar(4)Eevee - Umbreon and Espeon(2), Glaceon and Leafeon(4), Sylveon(6)Porygon - Porygon2(2), Porygon-Z(4)Snorlax - Munchlax(4)Togetic - Togekiss(4)Marill - Azurill(3)Sudowoodo - Bonsly(4)Aipom - Ambipom(4)Yanma - Yanmega(4)Murkrow - Honchkrow(4)Misdreavus - Mismagius(4)Wobbufett - Wynaut(3)Gligar - Gliscor(4)Sneasel - Weavile(4)Piloswine - Mamoswine(4)Mantine - Mantyke(4)Kirlia - Gallade(4)Nosepass - Probopass(4)Roselia - Budew and Roserade(4)Dusclops - Dusknoir(4)Chimecho - Chingling(4)Snorunt - Froslass(4)

Hope I helped! :)