How to write the invitation to grandpa's funeral?

1. I regret to inform you that my dear grandfather has left us and died in XXXX on xx, xx. He is a kind, generous and caring person, and is deeply respected and loved by his family and friends.

2. We will hold grandpa's memorial service in XX, and a funeral in XX. We are deeply saddened. I hope you can take the time to see grandpa off for the last time.