We are trying to locate our grandfather mr michael denis mcnamara born in Doneraile county cork ireland on 7th may 1933.He moved to birmingham uk and met/married our grandmother christine on 05/04/57.They divorced in 1972 and he has never been seen since.He has 3 children,11 grandchildren,and 6 great grandchildren.He has no knowledge of all his grandchildren.Any info would be greatfully received...