They may have been thinking of "Neben..." Even otherwise decent translators whose work I read consistently translate that with "Besides...." (It's not really wrong. I just find that they use it more often in translation than it would be in untranslated English--or use it in places where it comes across as unusual to me.)
be·sides | \ bi-ˈsīdz
Definition of besides
(Entry 1 of 3)
1 : other than, except no one besides us Nothing besides a miracle could help them.
2 : together with a decision that, besides being practical, is morally right
Definition of besides (Entry 2 of 3)
1 : as well : also serves pizza, pasta, and many other foods besides
2 : moreover, furthermore I can't go, and besides, I wouldn't go if I could.
Definition of besides (Entry 3 of 3)
: else knows a lot about pop culture but very little besides