Start with the version of him only you knew
Most grandfathers had at least two lives before the one you saw. There is a younger man, before you arrived, that the older people in the room remember. There is the grandfather you knew. Sometimes the two barely overlap.
Your eulogy works best when it leans into the version of him only you knew. The grandfather. The one who was already older when you met him. The one whose hands you remember. Whose chair in the corner of the living room everyone knew was his. Whose particular phrases your family still uses without thinking.
Start there. Three things about him as a grandfather, written down on one piece of paper. Specific things. The smell of his coat. The way he greeted you at the door. What he kept in his pockets. What he always said when he was about to give advice.
Those three things are the spine of the eulogy.
Honouring a long life without listing every part of it
He probably lived seventy, eighty, ninety years. He probably had careers, marriages, hardships, hobbies, places lived. The temptation is to list it all so nothing is missed.
Resist it. The eulogy is not the obituary. The room does not need a timeline. The room needs a portrait.
Pick one or two threads that ran through his whole life. The thing he believed in. The way he treated strangers. The thing he was always doing in the background. The man he became after the war, after his children, after the loss that shaped him. One thread.
Then anchor it in a small moment from the life you watched. A grandfather who served in a war fifty years ago is best honoured not by reciting his service record, but by telling the story of the one time he mentioned it to you, in the kitchen, and what he said.
Tell the small moment. Trust the room to feel the size of his life around it.
What to actually say about him
Concrete details only. Not "he was wise." Say "he listened to your problem with his whole body and waited a long time before he said anything, and what he said was usually one short sentence that reframed everything."
Not "he was generous." Say "he never let anyone leave his house hungry, and when you tried to leave he would walk you to the car and slip ten dollars into your hand and tell you to get yourself a coffee on the way home."
Not "he was funny." Say "he had a deadpan delivery that took us thirty years to fully understand, and most of his best jokes only landed two days after he made them."
Two or three details like this and the room will feel him in the room with them.
A structure that fits a long life
Open by acknowledging the room. Say who you are and how you were related to him. The room will include people who do not know you yet.
Say who he was, in your honest words. Three to five sentences. Lean into the grandfather you knew, not the abstract life-story.
Tell two or three small specific stories. They do not have to be dramatic. Most of the best ones are not. The corner of the kitchen. The car ride. The afternoon you spent in his shed. The thing he taught you that took you twenty years to understand.
Close with what carries forward. The phrase your father uses that came from him. The recipe still made every Christmas. The way you find yourself doing something exactly the way he did it. Be specific. Then stop.
What to avoid
Avoid the long list of his accomplishments, military service, jobs, addresses. The room knows. The obituary covers it. The eulogy is for the man.
Avoid sympathy card language. "He passed away peacefully surrounded by family." "He has gone to a better place." "He is at peace now." These phrases sound true but they are nobody's actual voice. Say what you actually feel in your actual words.
Avoid making him perfect. He was not. The room knows. A small honest line about a fault you loved him for is more powerful than five lines of polish. "He was stubborn in a way that drove my grandmother to distraction for sixty years, and she would tell you the same thing." That line gets a real laugh and a real tear at the same time.
Avoid letting the eulogy become a history lesson. Stay small, stay specific, stay true.
How long it should be
Three to five minutes for a grandfather's eulogy is right. About four hundred to seven hundred words.
If multiple grandchildren are speaking, two or three minutes each is plenty. The cumulative effect of several short tributes from grandchildren is one of the most moving things a funeral can hold.
Do not be tempted to go long because he had a long life. Length and tribute are not the same thing.