Subsidiaries of Firstar Corporation		 Exhibit 21		 Firstar Corporation has no parents. The following list shows the name of each subsidiary of Firstar and the percentage of ownership as of December 31, 1998. Percentage Jurisdiction in which Name of Subsidiary Ownership Incorporated or Organized - ------------------------------------ ---------- ------------------------- 1 Firstar Bank, National Association 100% United States 1 Firstar Bank Milwaukee, National Association 100% United States 1 Firstar Bank Wisconsin 100% Wisconsin 1 Firstar Bank Iowa, National Association 	 100% United States 1 Firstar Bank Burlington, National Association 100% United States 1 Firstar Bank of Minnesota, National Association 100% United States 1 Firstar Bank Illinois 100% Illinois 1 Firstar Bank U.S.A., National Association 100% United States 2 Firstar Metropolitan Bank & Trust 100% Arizona 1 Firstar BankWausau, National Association 100% United States 6 Firstar Corporation(WI) 100% Wisconsin 1 Firstar Corporation of Arizona 100% Arizona 1 Firstar Mutual Funds LLC 100% Wisconsin 1 Firstar Trust Company of Florida, National Association 100% United States 1 Firstar Investment Research & Management Company, LLC 100% Wisconsin 1 Firstar Insurance Services, LLC 	 100% Wisconsin 3 Firstar Investment Services, Inc. 100% Wisconsin 1 Elan Life Insurance Company 79.00% Arizona 1 Firstar Title Corp. 100% Wisconsin 3 Firstar Community Investment Corporation 100% Wisconsin 3 Firstar Equipment Finance Corporation 	 100% Wisconsin 3 Firstar Lease Receivables Corporation 	 100% Wisconsin 3 Firstar Home Mortgage Corporation 100% Wisconsin 3 Firstar Equipment Corporation 100% Wisconsin 1 Firstar Finance, Inc 100% Ohio 1 Star Capital Corporation 100% Ohio 1 Miami Valley Insurance Company 100% Arizona 3 Firstar Trade Services Corporation 100% Wisconsin 5 Firstar Trade Services Limited 100% Hong Kong 3 Milwaukee Capital Corporation 100% Nevada 4 Wisconsin Capital Corporation 100% Nevada 1 Firstar Capital Trust I 100% Delaware 1 Star Capital I 100% Delaware 			 Notes 	 	 - ----- 1 Subsidiary of Firstar Corporation(WI) 	 	 2 Subsidiary of Firstar Corporation of Arizona 	 	 3 Subsidiary of Firstar Bank Milwaukee, National Association 	 	 4 Subsidiary of Firstar Bank Wisconsin 	 	 5 Subsidiary of Firstar Trade Services Corporation 	 	 6 Subsidiary of Firstar Corporation