…him and restore to me what has been unjustly usurped by him: for all this must come to pass satisfactorily since my good father Tinacrio the Sapient foretold it, who likewise left it declared in writing in Chaldee or Greek characters (for I cannot read them), that if this predicted knight, after having cut the giant’s throat, should be disposed to marry me I was to offer myself at once without demur as his lawful wife, and yield him possession of my kingdom together with my person."
There are no more uses of "demur" in the book.
Show samples from other sources
When the sheriff apprehended him for grave-robbery and gold-hoarding, Mr. Fink demurred on the theory that if his own grandfather wasn’t his, whose was he?
Harper Lee -- Go Set a Watchman
"I know how full Jacqueline keeps your schedule," I demur.