Are the following sentences in application are grammatically correct? If there are incorrect, rephrase them, please.

With due respect, I beg to state that my father has been persistently facing financial problems for the past 4 months, and due to that I and my brother Sam peter's fees has not been paid, and as a result of that we are not given our admit cards.

Therefore, it’s my humble request to you kindly gives us our admit cards. I assure you that within one month we will any how manage to pay our fees. I will be extremely grateful to you if you accept my request.