efternamn

In a sentence

• Hon ändrade sitt efternamn efter att ha gift sig.

  She changed her last name after getting married.

  Here, 'efternamn' is used to denote someone's family name, which may change due to legal or personal reasons such as marriage.

• Efternamn används ofta för att särskilja individer med samma förnamn.

  Last names are often used to distinguish individuals with the same first name.

  In this context, 'efternamn' refers to its practical application in differentiating people in societal and administrative settings.

• Kan du berätta vilket efternamn du har?

  Can you tell me which last name you have?

  In this case, 'efternamn' is employed in a question, asking for someone's surname in a conversational or formal scenario.