When someone close to you is going through a difficult moment, particularly when they are grieving the loss of a loved one, it is appropriate to send them a note of condolence. It is a tragic event for any family when a member passes away, but it is more upsetting for a person to lose a sibling who was particularly close to them. It is never easy to lose a brother, and the remaining siblings sometimes wonder whether there is anything that they might have done differently to prevent the tragedy. Simple expressions of condolence, such as “There was nothing you could have done,” are usually useful whenever someone has experienced a loss. “You are not to blame for this.” These straightforward expressions of condolence are appropriate for someone who has just suffered the loss of a brother:

The unexpected news of the passing of your cherished brother left me in a state of shock. He was a powerful man who carried his hopes and aspirations with him throughout his life. Please take solace in the knowledge that our thoughts and prayers will continue to be with you at all times. Please look after your loved ones as best you can and don’t hesitate to get in touch with us should you want any assistance.

There are no words that can ease the anguish that you feel in your heart because of the sudden death of your courageous brother. We ask that you accept our deepest condolences and that you take comfort in the knowledge that his memory will live on in our hearts forever. Our thoughts and prayers are with you during this difficult time. May they bring you some comfort.
I well comprehend how challenging it is to suffer the loss of a sibling who was so kind, kind, and doting on you. When we were all younger and used to play together, I have fond memories of those times. We are saying prayers for his soul to find peace. During this trying time, you are not alone; we are here with you every step of the way.

It came as a complete surprise to me when I learned that your brother had passed away the previous week. His untimely passing left me in a state of deep sorrow, and I found myself crying. I pray that the Lord would grant his soul eternal rest and peace.
My relationship with your brother was one of friendship, and the news of his passing caused me a tremendous deal of anguish and sorrow. I wish to express my deepest condolences to you and your family during this difficult time. You are constantly in my thoughts and prayers.