Frank Johnson, a former mayor of Bawtry, died on December 23 at the age of 89.
Mr Johnson, a retired senior Army major, died peacefully at his home.
He was also a keen fundraiser and volunteer for the British Heart Foundation.
An obituary described him as: "The dearly loved partner of Barbara, husband of the late Ruth and the much-loved father of Stephen and Michael.
He was also father-in-law of Sarah and Jayne and a "treasured grandfather, great grandfather and uncle."
The funeral service and cremation will take place on January 11 at Rose Hill Crematorium at 3.40 pm.