Yes they did :)
no they are the same person
Sandy McSouthers is Sam Westing.
Sam Westing himself doesn't have a partner, he is the creator of the game. When he pretends to be Sandy, his partner is JJ Ford.
Barney Northrup, Sam W. Westing, Julian R. Eastman, Sandy McSothers, and Windy Windkloppel are all the same person.
Sandy defends Sam Westing and expresses disbelief at the judge's criticisms, highlighting Westing's good qualities and arguing against the judge's accusations.
Sam Westing's five identities were: Sandy McSouthers, Sam Westing, Barney Northrup, Julian R. Eastman, and Windy Windkloppel. Each of these identities played a role in the intricate mystery of "The Westing Game."
Westing is originally Sam "Windy" Windkloppel, than he changes his name to Sam Westing, than throughout the story he is Sandy McSouthers, Barny Northrup, Julian R. Eastman
Sam Westing was not killed, but he continued living as Sandy McSouthers, Barney Northrup , and Julian Eastman . He "died" of a heart attack. But didn't truly die until the last chapter. and there was no murderer except for nature. Sam Westing was also an alias. His real name was Windy Windkloppel.
In "The Westing Game," Sam Westing has multiple identities: he is also known as Sandy McSouthers, Barney Northrup, and Julian R. Eastman. These identities are part of a complex scheme created by Sam Westing as part of his mysterious game to determine his heir.
In "The Westing Game" by Ellen Raskin, Sam Westing fears his partner, Sandy McSouthers, who he believes cheated him. He also fears his niece, Angela Wexler, because he suspects she might be after his inheritance.
no one killed him he is still alive but he is playing as sandy McSouthers, Barney Northrup and julian eastman
To find out who killed his daughter, Violet Westing , who killed herself before her wedding. She was going to marry George Theodorakis, Chris and Theo's dad. And Sam Westing isn't who he says he is, he's Windy Windkloppel.