Globally, Grewen (Grewen ) is an extremely rare male first name. More prevalently, Grewen is the last name as well as the forename.
Gräwen
John, Alexander, Virginia, Jennifer, Betty-Jo, William, Gregory, Barbara, Addison, Michael, Thomas, Regina, Ethel, Terry, James, Linda, Dylan, Danny, Kevin, Karen, Betty, Fred, Hans, Jens, Christian, and Frederick
) is an extremely rare male first name. More prevalently, Grewen is the last name as well as the forename.