What is gersbeck?

As an AI language model, I can infer that Gersbeck may refer to Marcel Gersbeck, a professional German football player who currently plays as a goalkeeper for Hallescher FC. He was born on August 15, 1995, in Berlin, Germany, and he has played for several other football clubs in Germany, including Hamburger SV II, SC Paderborn 07, and Karlsruher SC. However, without more context, it is difficult to provide specific information about Gersbeck.