Executive's.
The executive's briefcase is black.
The correct spelling for the possessive form of the noun executrix is executrix's.
The possessive form for the plural noun executives is executives'.
Example: You must have a key to use the executives' washroom.
The plural forms of the noun executrix are executrices or executrixes, both forms are accepted.
The correct possessive form of dynasty is "dynasty's."
"Its" is the correct possessive form of "it". No apostrophe.
The correct possessive form of "Jr." is "Jr.'s." For example, "This is Mr. Smith Jr.'s house."
The Correct possessive form of "gables" is: A= gables'
The correct possessive form is my boss'slunch.
The plural possessive form is antiques'.
The possessive form of bridges is bridges'
The correct singular possessive form of "diocese" is "diocese's."
The correct possessive form of "counsel" is "counsel's."
Executrix
The correct spelling of the possessive form of "people" is "people's."