Granny's clues

123456
Across
  1. 3. not me, or I
  2. 4. two words. 1, better than good, or larger than big. 2, what you are to us, a familial role.
  3. 6. not from, but...
Down
  1. 1. if a bumbling flighted creature lost an E
  2. 2. The state of change or transience, often away from or towards something.
  3. 5. being, rather than not. Also, phonetically the 18th in the alphabet.