Eicke Family from Germany to England

I'm tracing the Eicke family of Hening Johan Herman Eicke born 1725 Hamburg German died 1773 Germany & Anna Catherine Ohlhoff born 1715 Germany  died 1777 Germany.  As far as I know they had one son Detlev Bonaventura born 1750.

I have been told that originally it was Von Eicke but no evidence of that so far.

Hope some one can help.

Kathy