Simplify the following text for a Grade 12 native English-speaking person.
Original: In March 2008 , the United States District Court in Los Angeles ruled that Monroe was a resident of New York at the time of her death , citing the statement of the executor of her estate to California tax authorities , and a 1966 sworn affidavit by her housekeeper .
Simplified: In March 2008 , the United States District Court in Los Angeles ruled that Monroe was a resident of New York at the time of her death . The court cited that the executor of her estate told California tax authorities this , and that a 1966 sworn affidavit by her housekeeper quoted Monroe as saying that she considered New York City her primary home .