How do you form the plural and the plural possessive of family names ending in s?

Form the plural of family names ending in s by adding es. For example, below are the plural forms of the names Myers, Daniels, Forlines, and Collins:

Myerses

Danielses

Forlineses

Collinses

Form the plural possessive of these names by adding an apostrophe after the final s:

the Myerses’ house

the Danielses’ cat

the Forlineses’ car

the Collinses’ boat