Let's hie to the history books.
Thus hie, like they, is used for groups of females, males, and males and females.
Consider, for example, the following nominative case forms: he, heo, hit, hie (he, she, it, they).
He hies himself there and revels in the delights of a perfect dinner.
Knights and squires now hied them to their horses; it thought them right, which their lord did bid.
Then by the river he hied him higher up upon the sandy shore, to where he found an inn upon the other bank.
What she needed was restoratives--something to give her strength that she might hie to his bedside and tenderly nurse and care for him.
I'll hie me forth the world to see!
