Cathleen Leong (née Kah) is a secondary character, she's often mentioned throught the novels and make small appearences in Crazy Rich Asians and Rich People Problems.
Information[]
She's the wife of Henry Leong Jr who works as a partner of Singapore's most prestigious law firm. Her late grandfather is a banking tycoon. Despite all that, she lives frugally, as she takes a bus and uses plastic bag to work.