Edgar rowed on the Dee by eight tributary princes, 54; becomes king, 54.
Ilderic, son of Honoric, becomes king of the Vandals, III.
Trasamundus, brother of Gundamundus; becomes king of the Vandals, III.
Gundamundus, son of Gezon; becomes king of the Vandals, III.
The above list will hopefully provide you with a few useful examples demonstrating the appropriate usage of "becomes king" in a variety of sentences. We hope that you will now be able to make sentences using this group of words.