Question

is bhadur shah 2 brother of aurangzeb

Answer 1

no bahadur shah zafar, also known as bahadur shah ll was the last mughal emperor and was the son of akbar ll or akbar shah ll, whose grandfather was shah alam ll ,whose great grandfather was alamgir ll, whose great great grandfather was jahandar shah, whose great great great grandfather was bahadur shah l, and whose great great great great grandfather was aurangzeb. 

so we can conclude that aurangzeb was the great great great great grandfather of bahadur shah zafar.