Proud-hearted

...there seems to me something, if I may so speak, almost God-like in the pure and devoted love of a strong proud-hearted man towards his mother;

But a few days previously I had beheld this proud-hearted Princess walking the Prado with her family, with sullen and almost disdainful air, scarce noticing the salutations of the well-dressed throngs which bowed, with uncovered head, as she passed.