Willie Maley and Tom Maley (Celtic)[41] John McPherson and David McPherson (Rangers)[42] Andrew McCreadie and Hugh McCreadie (Rangers)[43] Jimmy McStay and Willie McStay (Celtic)[44] Frank O'Donnell and Hugh O'Donnell (Celtic)[45] Willie McStay and Paul McStay (Celtic, great-nephews of the earlier brothers)[46] Frank de Boer and Ronald de Boer (Rangers, twins)[47]