Where does “Antonsen” come from?

Antonsen (Norwegian) comes from Norwegian Anton, from Latin antonius, from Ancient Greek Ἄντων.

Ancestry of “Antonsen”, step by step

Step	Language	Word	Meaning
1	Norwegian	Anton	—
2	Latin	antonius	—
3	Ancient Greek	Ἄντων	—

Antonsen — Etymology, Origin & Word History | Etymology Explorer