The correct plural noun phrase is the Marx brothers.
When using the surname to refer to two or more family members, the surname is singular, functioning as an attributive noun (a noun used as an adjective to describe another noun, also called a noun adjunct). The noun phrase "Marx brothers" is a plural noun phrase, two or more brothers.
The correct plural, possessive form is Marx brothers', indicating that something belongs jointly to the brothers.
Example: The Marx brothers' career began in vaudeville.
The correct answer for the Marx brothers' plural possessive form is "the Marx Brothers'."
The possessive form for the Marx Brothers is the Marx Brothers'.example: The Marx Brothers' nonsense is still popular today..
The singular possessive form for the noun Phillip is Phillip's.The plural form for the noun Phillip is Phillips; the plural possessive form is Phillips'.The singular possessive form for the noun Phillips is Phillips's.The plural form for the noun Phillips is Phillipses; the plural possessive form is Phillipses'.
The noun 'honesty' is an uncountable noun, a word for a concept, it has no plural form.The possessive form is honesty's. Example:Honesty's reward is not monetary.
The plural possessive form of "Greeks" is "Greeks'."
The correct plural form is "Doctors of Philosophy."
The plural possessive of brothers is brothers', e.g. "the brothers' bedroom".
The possessive form for the Marx Brothers is the Marx Brothers'.example: The Marx Brothers' nonsense is still popular today..
The possessive plural form of "brother" is "brothers'". It indicates that something belongs to multiple brothers.
Brother's is singular possessive. Brother is singular and brothers is plural.
The plural form is brothers-in-law.The plural possessive is brothers-in-law's.Example: Both of my brothers-in-law's careers are going very well.
Customers' is the correct plural possessive. Customer's is a singular possessive.
The plural possessive form is enterprises'.
The plural form is acrobats. The plural possessive is acrobats'.
Possessive nouns (but not possessive pronouns) use apostrophes; therefore, "brother's" is possessive. "Brothers" is plural.
Three geese's nests is the correct plural and possessive
The possessive plural is histories'.
The possessive form of the plural noun brothers is brothers'.Example: My brothers' names are Jeff and Jack.