As far as I know, no. They do not really delve much into the relationship of the new genin. However, I think Konohamaru is too focused on being like Naruto to care about that kind of stuff.
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Konohamaru, Moegi and Udon.
Naruto Shippuden episode 90
When everybody is going to fight in the war konohamaru gets excited. He goes to Lady Tsunade to ask her if he can also participate in the war. Lady Tsunade gets too angry at Konohamaru and blasts him out of her room. At that time Udon and Moegi sees that someone is coming, they drag Konohamaru to bush. They see that the person is Temari the elder sister of the Kazekage Gaara. They see Temari going inside the room of the hokage. After Temari comes out of the hokage's room she sees that Konohamaru is challenging her to a battle. Episode no:234 Naruto Shippuden
yes asuma is sarutobi-senseis son and konohamaru's uncle
Konohamaru is still alive.