If I have to put a apostrophe in this sentence would it be like this
The Henderson's never change;They're always complaining about Mr. Scobb farming land that is rightfully their's.
No. There is no apostrophe after names and after their.
The Hendersons never change; they're always complaining about Mr. Scobb farming land that is rightfully theirs.
And they're is not capitalized if you're using semi-colon; you could also use a period here and make them 2 separate sentences.
Further correction:
The Hendersons never change; they're always complaining about Mr. Scobb's farming land that is rightfully theirs.
"Mr. Scobb" needs to be possessive because it is followed by a gerund.
http://grammar.ccc.commnet.edu/grammar/possessives.htm
Scroll down to Possessives & Gerunds.
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To put an apostrophe in the sentence correctly, you should make the following corrections:
"The Hendersons never change; they're always complaining about Mr. Scobb's farming land that is rightfully theirs."
Here's how you can approach it:
1. Use an apostrophe and an "s" after Mr. Scobb to indicate possession. This is because Mr. Scobb owns the farming land.
2. Change "their's" to "theirs" without an apostrophe, as "theirs" is already a possessive pronoun and does not require an apostrophe.
3. Use a lowercase "t" in "they're" instead of capitalizing it, as there is no need to start a new sentence with "They're" if you are using a semicolon. However, if you prefer to use a period instead of a semicolon, you can capitalize "They're" to start a new sentence.
Remember to always double-check your grammar and punctuation to ensure your sentences are clear and correct.