Invitation For First Death Anniversary How Do I Word An Invitation To Attend A Mass For The First Anniversary Of Someones Death?

How do I word an invitation to attend a mass for the first anniversary of someones death? - invitation for first death anniversary

I need an invitation to a Mass in the church for the first anniversary of the death of my grandfather's writing ... but I have no idea how his words. I tried Google, but can not find anything.

Thank you in advance.