“The local prince had gotten a notion that the girl could spin straw into gold, the dwarf said. Brainless young idiot, but they’re all like that. If she could spin straw into gold, why was she living in a hovel? Anyway, Gramps said he’d do her spinning for her in return for part of the gold and her firstborn child. She agreed, but naturally when the baby was born she didn’t want to give him up. So Gramps agreed to a guessing game: if she could guess his name, she could keep the baby. Then he let her find out what his name was. She kept the baby and Gramps kept the gold, and everyone went home happy."
"I think I’m beginning to get the idea, Cimorene said. It’s not just spinning straw into gold that’s a family tradition, is it? It’s the whole scheme."
The dwarf nodded sadly.
"Right the first time. Only I can never make it work properly. I can find plenty of girls who’re supposed to spin straw into gold, and most of them suggest the guessing game, but I’ve never had even one who managed to guess my name."
"Oh, dear," said Cimorene.
"I even changed my name legally, so it would be easier, the dwarf said sadly. Herman isn’t a difficult name to remember, is it? But no, the silly chits can’t do it. So I end up with the baby as well as the gold, and babies eat and cry and need clothes, and the gold runs out, and I have to find another girl to spin gold for, and it happens all over again, and I end up with another baby. It isn’t fair!"
From Searching for Dragons, book 2 of The Enchanted Forest Chronicles, by Patricia C. Wrede.