Except in certain words like THEIR. E before I is the correct spelling of the word.
Their
/
đɛər; unstressed đər/
Show Spelled[
th
air;
unstressed ther]
Show IPA
–pronoun 1. a form of the possessive case of
they used as an attributive adjective, before a noun:
their home; their rights as citizens; their departure for Rome.
2. (used after an indefinite singular antecedent in place of the definite masculine form
his or the definite feminine form
her ):
Someone left their book on the table. Did everyone bring their lunch?
Not trying to be an ass or anything, but you're wrong.