This is the 5974th most frequent Swedish word.
jakobsson
"Jakobsson" is a common Swedish surname meaning "son of Jakob."
Here, 'Jakobsson' is used as a surname to denote a person's family name.
Jakobsson är mitt efternamn.
Jakobsson is my surname.
In this sentence, 'Jakobsson' represents a family name used to refer collectively to the members of that family.
Familjen Jakobsson bor i grannhuset.
The Jakobsson family lives in the neighboring house.
Here, 'Jakobsson' is used as a proper noun, possibly referencing an author or individual known by this name.