Here’s a solid, clear, and respectful post suitable for a Traueranzeige (obituary notice) in the Allgemeine Zeitung Rheinhessen (or its online platform).

In loving memory:

and all who held him/her dear.

Mainz, [Date] If you'd like, I can also help adapt this for an online memorial page, shorten it for budget-conscious print pricing, or translate it into German.

With deep sorrow we announce that

You can fill in the bracketed information as needed. [Last Name, First Name] – A life lived in Rheinhessen

With heartfelt thanks to the nursing team of [hospital/hospice name].

passed away peacefully on [Date] at the age of [Age].