You could just say "The Wells are coming over"
Wellses'.
If Gelpi is a surname, then the plural is Gelpis.
The plural of the surname may be Simmons or Simmonses.
The surname Hester has the plural Hesters (two Hesters, or the Hester family).
The plural form of Hass is Hasses, e.g. All the Hasses were invited to the wedding.
Winters. Plural of winter is winters. Plural of surname Winters would also Winters. Possessive of winter would be winter's.
The plural form of well is wells.
The plural form of "well" is "wells."
The plural form of the surname Gillis is Gillises.
As of 2019, there were approximately 173,000 individuals with the surname Wells in the United States. The name Wells is of English origin and is derived from the topographic name for someone who lived by a spring or well.
The plural of Shastri would be Shastris
If Hoix is a surname, then the plural is Hoixes
If Gelpi is a surname, then the plural is Gelpis.
The plural of the surname may be Simmons or Simmonses.
The plural of the surname Sarli would be Sarlis.
The plural of bràthair (brother) is bràithrean. (This would not be for the surname Brothers.)
A surname cannot be pluralized.
To make the surname Justiz plural, you would add an "s" at the end. So it would become Justizs.