12.1
But presently, as the siege dragged along, Antigonus learned that Antipater had died in Macedonia,In 320 B.C. After the death of Perdiccas the supreme regency devolved upon Antipater, and he retired into Macedonia with the two kings. On his death he left the regency to Polysperchon, a distinguished officer of Alexander, to the exclusion of his own son Cassander. and that matters were in confusion owing to the dissension between Cassander and Polysperchon. He therefore cherished no longer an inferior hope, but embraced the whole empire in his scheme, and desired to have Eumenes as friend and helper in his undertakings. Accordingly, he sent Hieronymus to make a treaty with Eumenes, and proposed an oath for him to take. This oath Eumenes corrected and then submitted it to the Macedonians who were besieging him, requesting them to decide which was the juster form.
