Translation of "Hyphasis" in French

I would have crossed the Hyphasis too if you hadn’t cowered in fear…

J'aurais aussi traversé l'Hyphasis si tu ne t'étais pas recroquevillée de peur....

But at the River Hyphasis, known today as the Beas, his army mutinied.

Mais à la rivière Hyphasis, aujourd'hui Beâs, son armée se mutine