Shahnameh tells about a series of epic heroes in Persian culture.

Shahnameh tells about a series of epic heroes in Persian culture.  We are focusing on one of the greatest, Rustem.  How does the fact that his father and grandfather are also great warriors and heroes in their own right influence your opinion of Rustem and his adventures?  How does the participation or non-participation of his father and grandfather in his early adventures affect your perspective of Rustem?