"be fruitful and multiply" in German Be fruitful and multiply. Seid fruchtbar und mehret euch. Detailed translations for "be fruitful and multiply" Be fruitful and multiply. Be fruitful and multiply. Seid fruchtbar und mehret euch. Be fruitful and multiply. Source: opensubtitles.org Corpus by OPUS Request review Seid fruchtbar und mehret euch.