If you were to draw a family tree for director Kasthuri Raja, it would have its branches spreading far and wide. His second son Dhanush has established himself as a versatile actor while first son Selvaraghavan established himself as a director of substance with Tarantino style of filmmaking. Selva also went on to marry Sonia Agarwal who has acted in almost all of his films. Dhanush on the other hand married Aishwarya Rajinikanth, elder daughter of the Superstar.