Although we've never met, I was saddened by the loss of your beloved family member. As stated in Psalms 90:10, he lived a long life. Your family must be very proud of all the good he accomplished in his life , with work and family. May, "the God of all comfort" be with you.
I am really very sorry for your loss. James 4:8 encourages us to "Draw close to God, and he will draw close to you." So please look to God for strength.