Where does “Carlsson” come from?

Carlsson (English) comes from Swedish Carlsson, from Swedish son, from Old Swedish son, from Old Norse sonr, from Proto-Germanic sunuz, from Proto-Indo-European *suhnús.

Ancestry of “Carlsson”, step by step

StepLanguageWordMeaning
1SwedishCarlsson
2Swedishsonson; someone's male child
3Old Swedishsonson
4Old Norsesonrson
5Proto-Germanicsunuzson
6Proto-Indo-European*suhnús
Every word from Proto-Indo-European *suhnús