Question

The jewelry was divided equally....the two thieves.....the leader.

Answer 1

The jewelry was divided equally by the two thieves for the leader

Hope it is the answer

Answer 2

Answer:

The jewelry was divided equally between the two thieves by the leader.

Explanation:

between is used for two persons/things and among is used for more than two things/persons.

since the sentence is in passive voice, by should be used before the subject the leader.