UP Police SI Exam 14 Dec 2017 Shift 2 Solved Paper

Five people are going on a journey, their names are Joel, Preeti, Venky, Shaan and Rupesh. Everyone belongs to the same family. Joel is Preeti's mother, who is Rupesh's wife. Shaan is Joel's brother. Venky is Joel's husband. How is Preeti related to Shaan?