Proto-Germanic *þritehun

→ English thirteen (inherited)

→ Afrikaans dertien (inherited)

→ Old English þreotiene (inherited)

→ Cimbrian draitzane (inherited)

→ Danish tretten (derived)

→ German dreizehn (derived)

→ Middle English thrittene (inherited)

→ Faroese trettan (inherited)

→ Westrobothnian trettan (inherited)

→ Old Swedish þrættan (inherited)

→ Icelandic þrettán (derived)

→ Norwegian Bokmål tretten (derived)

→ Dutch dertien (inherited)

→ Old Norse þrettán (inherited)

→ Norn trettin (derived)

→ Old Saxon thriutein (inherited)

→ Elfdalian trettǫ (derived)

→ Saterland Frisian trättien (inherited)

→ Swedish tretton (derived)

→ Yiddish דרײַצן (inherited)

→ Yola dhurteen (inherited)