Alexander I 's predecessors , starting from the nearest , were according to Herodotus : Amyntas , Alcetas , Aëropus , Philip I , Argaeus , and Perdiccas I.
Head entity: aëropus Q318476 19
Tail entity: philip i Q318417 21 22
Relation (head \u2192 tail): P40
Inverse relation (tail \u2192 head): P22