The Fellowship of the Ring Werewolf

[Ina May the Midwife]

Which of the dead hobbits is likely to have been the first?

Why was another munched first?

And why is Ben trying to pretend that they all must have been seen?

Frodo was the ring bearer. There's likely a line of succession so ring would pass to Sam on his death.
Then one of the other two and then the last