The sources do not give us her inner responses to these disasters.

They do not tell us what she thought when canoes overturned and supplies vanished.

What they do tell us, implicitly, is that she kept her children alive through the Snake River section of the journey, through the winter crossing of the mountains, and all the way to the Columbia River.

And then, in January 1812, near what is now North Powder, Oregon, she gave birth to another child.

This is documented in the sources.