His mother , Anna Adelson Slone , was from San Francisco .
Liebling was born into a well - off family on the Upper East Side of Manhattan , where his father worked in New York 's fur industry .
Liebling 's mother , Anna Adelson Slone , was from San Francisco .
Liebling was born into a well - off family on the Upper East Side of Manhattan , where his father worked in New York 's fur industry .