Porters holiday puzzle 😙

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Across
  1. 1. Possessive pronoun for the speaker (2)
  2. 4. Relative who might be called by a sibling's child (5)
  3. 7. Mafia movie title, or a mentor and protector (9)
  4. 9. Fictional World War II icon or the nickname for a riveting worker (5)
Down
  1. 2. Pronoun for the person being addressed (3)
  2. 3. Exist or occur (2)
  3. 5. Deep affection or zero in tennis (4)
  4. 6. Carrier of luggage at a hotel or train station (6)
  5. 8. Legal document outlining the distribution of one’s estate (4)