"To carry out her plan she held it necessary to lie, as I think she lied when she said that she believed we should both escape, though it is true that so it came about.

I will tell you why she lied.

It was that she might give her life to set you free to join me in Jerusalem." Now Rosamund, who knew the secret of Masouda's heart, looked at him strangely, wondering within herself how it came about that, thinking Wulf dead or about to die, she should sacrifice herself that she, Rosamund, might be sent to the care of Godwin.

Surely it could not be for love of her, although they loved each other well.

From love of Godwin then?
How strange a way to show it! Yet now she began to understand.