The country’s justice minister said no one has the “right to place their cultural values or religious beliefs above our laws”.
There has been increased concern over polygamous marriages after Germany welcomed than a million migrants - many from Muslim countries - last year.
Polygamy is banned in Germany - but many officials “turn a blind eye” to migrants who arrive in the country with more than one wife, according to the German newspaper Bild.
The same accusation about forced and underage marriages.
Justice minister Heiko Maas said: “We need to look very carefully. Forced marriages, we can not tolerate, and certainly not when underage girls are involved.
“Everyone must abide by rules and laws, whether they grew up here or are new. The law is equal for all.” [Daily Express] Read more