1 EXHIBIT 21.1 SUBSIDIARIES OF THE COMPANY Sky Financial Group, Inc. Bowling Green, Ohio A. Bank Subsidiaries 1. Mid American National Bank and Trust Company * Toledo, Ohio Sky Financial Group, Inc. owns 100 percent a. Mid Am NB5, Inc. Bowling Green, Ohio Mid American National Bank owns 100 percent 1. NB5 Financial Services Dublin, Ohio Mid Am NB5, Inc. owns 20 percent 2. First National Bank Northwest Ohio * Bryan, Ohio Sky Financial Group, Inc. owns 100 percent a. Defiance Financial Corp. Defiance, Ohio First National Bank owns 100 percent 1. HS and L Financial Agency, Inc. Defiance, Ohio Defiance Financial Corp. owns 100 percent b. MFI Holding Company Bryan, Ohio First National Bank owns 100 percent 1. MFI Insurance Agency, Inc. Archbold, Ohio MFI Holding Company owns 100 percent 3. Adrian State Bank * Adrian, Michigan Sky Financial Group, Inc. owns 100 percent a. Mid Am Title Insurance Agency, Inc. Adrian, Michigan Adrian State Bank owns 100 percent 2 Bank Subsidiaries (continued) 4. The Citizens Banking Company Salineville, Ohio Sky Financial Group, Inc. owns 100 percent a. ValueNet, Inc. Salineville, Ohio The Citizens Banking Company owns 100 percent 5. The Ohio Bank Findlay, Ohio Sky Financial Group, Inc. owns 100 percent B. Financial Services Subsidiaries 1. Mid Am of Michigan Grand Rapids, Michigan Sky Financial Group, Inc. owns 100 percent 2. Sky Investments, Inc. Bryan, Ohio Sky Financial Group, Inc. owns 100 percent 3. Sky Technology Resources, Inc. Bowling Green, Ohio Sky Financial Group, Inc. owns 100 percent 4. Sky Asset Management Services, Inc. Clearwater, Florida Sky Financial Group, Inc. owns 100 percent 5. Mid Am Credit Corp. Columbus, Ohio Sky Financial Group, Inc. owns 100 percent 6. Mid Am Private Trust, National Association Cleveland, Ohio Sky Financial Group, Inc. owns 100 percent 7. Mid Am Capital Trust I Wilmington, Delaware Sky Financial Group, Inc. owns 100 percent 3 Financial Services Subsidiaries (continued) 8. Mid Am Financial Services, Inc. Carmel, Indiana Sky Financial Group, Inc. owns 100 percent a. Simplicity Mortgage Consultants, Inc. Marion, Indiana Mid Am Financial Services, Inc. owns 100 percent 9. Freedom Financial Life Insurance Company Phoenix, Arizona Sky Financial Group, Inc. owns 100 percent 10. Freedom Express, Inc. Salineville, Ohio Sky Financial Group, Inc. owns 100 percent * On January 24, 1999, First National Bank Northwest Ohio and Adrian State Bank merged into Mid American National Bank and Trust Company, which converted to an Ohio chartered bank and changed its name to Mid Am Bank.