How to use "uncles" in a sentence

At times, he envied his father and his uncles

As he sat in the dimly lighted cabin of the fan-jet and watched the clouds racing below, Alexander wondered what his father and his uncles would say if they knew that his service to his country had often required him to issue kill orders

Yes, he was sure that his father and uncles would give him their blessings - if only he were permitted to tell them.