How MVC, MVP and MVVM patterns are related

MVC

MVC pattern stands for Model, View and Controller. This pattern is used to separate concerns of the application in to different layers

MVP

MVP pattern stands for Model, View and Presenter. It's a derivative of MVC. It is commonly used for user interfaces. 

MVVM

MVVM pattern stands for Model, View and ViewModel. MVVM is also based on MVC and is mainly targets UI development frameworks which supports event-driven programming.

Resources

http://www.tutorialspoint.com/design_pattern/mvc_pattern.htm

http://www.codeproject.com/Articles/25057/Simple-Example-of-MVC-Model-View-Controller-Design 

http://en.wikipedia.org/wiki/Model%E2%80%93view%E2%80%93controller