FRANKFURT (Reuters) - Germany's Commerzbank
Commerzbank, Germany's second-largest lender, declined to comment. Apollo and Cerberus could not immediately be reached.
The Frankfurt-based bank is seeking to sell off the portfolios of its former mortgage unit Hypothekenbank Frankfurt International, formerly known as Eurohypo to cut its balance sheet and fulfil stricter bank safety rules known as Basel III.
In July, Commerzbank sold British property loans worth 5 billion euros to U.S. rival Wells Fargo
Commerzbank's move follows similar steps by other troubled banks. Allied Irish Banks Plc
(Reporting by Edward Taylor and Arno Schuetze)