What am I?

I am a 10-letter word. My 1234 has power to rule, you  eat my 5678, my 89 and 10 means ‘of a lady’, and I can fly. What am I?

I am a 10-letter word. My 1234 has power to rule, you  eat my 5678, my 89 and 10 means ‘of a lady’, and I can fly. What am I?