Here are links to web pages that contain some interesting things I found on the Internet:

Grobbels in the (on-line) News
This is a web page I put together that contains links to on-line newspaper articles that mention and/or contain a photo of a member of the extended Grobbel family.

GROBBEL MEATS - E.W. Grobbel Sons, Inc. Since 1883, America's Oldest Corned Beef Specialists
This company was founded by Wilhelm Emil Grobbel (b. 8 Sep 1852 in Obringhausen, Westphalia, d. 18 Feb 1939 in Detroit, Michigan) and is currently located in Detroit's Eastern Market. (external link)

"GROBBEL" - a song by the Swedish Group "RobbFritt"
From this page you can download an 3.57 MB MP3 file of their song "Grobbel" (or listen to it with Real Player).

Enacting Past and Present: The Memory Theaters of Djuna Barnes, Ingeborg Bachmann, and Marguerite Duras
A book by Michaela M. Grobbel (Lexington Books, Lanham, MD, $65.00, Cloth, 0-7391-0756-9, December 2003, 222pp ).
Ms. Grobbel teaches in the Department of Modern Languages and Literatures at Sonoma State University in Northern California. She teaches German, world literature and theater, and interdisciplinary courses in the humanities. Ms. Grobbel was born in Schmallenberg, Germany, studied at the University of Bonn in Germany, and received her Ph.D. in Comparative Literature from the University of California in Los Angeles. Her research and academic publications focus on twentieth-century women's writing and feminist theory, cultural criticism, and ethnic minority literature, especially German-speaking Romany autobiography. (external link)