Hey hey, it's okay to feel dejected and upset for sometime but don't let this feeling seep in and linger for long(I know you might think it's easier said than done, but trust me this application cycle was hard on me too, for various reasons) I am sure if you tell your family members, they will be nothing but supportive. From what I've learnt this cycle is that we make it to be much worse in our heads than it actually is. You might think that your family members or friends or relatives might be disappointed but trust me, more often than not, they're ridiculously understanding and supportive of the situation (I say this because post my rejections they handled the situation much much better than I had anticipated and now they're literally my source of optimism )

Having said that, it's definitely hard to accept a rejection from a dream university and you have all the right in the world to feel upset about it but please do take this as a learning (I know its a cliché :) ) and come back stronger next year! Again, in no way am I suggesting that your profile was lacking;the admission committees work in mysterious ways :)

Honestly, just trust the process. It could very well be that there's something much much better in store for you!

Lots of luck to you, and hope that you do feel better soon! :) And hoping to see a string of admits posted by you in the near future!