Plural possesive of Mr. Valdez.

(i.e., Mr. Valdez's performance at work....)

Valdezes'

This would refer to something that belongs to the Valdez family

To form the plural possessive of a name like "Mr. Valdez," you would follow these steps:

1. Add an "s" to the end of the name to indicate plural: Valdezs
2. Add an apostrophe after the "s" to indicate possession: Valdezs'

So, the plural possessive form of "Mr. Valdez" would be "Valdezs'."

For example: "The Valdezs' performances at work were outstanding."