I expect they'll be the same, but I'll be surprised if she's real.
Went looking for Mellette Peverell, and found another wife of Alan fitz Flaald
Maud Peverell, Lady of Whitting
The way I heard it, Guy turned out to be a girl in disguise.
But according to this, Guy le Strange was one of the competitors in the tournament, but he wasn't the winner. So Melette didn't marry him.
https://archive.org/stream/lestrangerecords00lestuoft?ref=ol#page/n21/