Hello and thanks for using Just Answer.
My name is ***** ***** am happy to assist you with your enquiry.
I am pleased to say that the WIll remains totally valid, even though your Brother has passed away. Provided the Will was executed in the correct ma
nner (ie the maker signed his or her name in front of the 2 witnesses, who then signed their name in front of the maker), you have absolutely nothing to worry about.
I hope this assists you and answers your question.