A Lithuanian fairy tale, this version is from Tales of The Amber Sea, compiled and translated by Irina Zheleznova in 1974.
There was once a lord whose wife died and left him twelve sons and one daughter.
A little time passed by and the lord decided to marry again. His choice fell on a woman who was a witch. Said she to him:
“If you want me to marry you you must kill your sons, burn their bodies, wrap the ashes in paper and send them to me. But you can spare your daughter.”