clipped from news.bbc.co.uk

A Canadian mother has frozen her eggs for use by her seven-year-old daughter, who cannot have children naturally.

Should the girl opt to use the eggs and gain regulatory approval, she would effectively have a baby that was her half-brother or sister.
Professor Tan said this was the first case of mother-to-daughter egg donation. There have been cases of donation from sister to sister.
“In psychiatry we are hearing more and more of children suffering from identity problems, and specifically a condition called ‘genealogical bewilderment’. Could it possibly get more bewildering than this?”
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Although this story makes me feel uncomfortable, there have been plenty of cases where orphaned children are brought up by their older siblings who act as surrogate parents. And likewise, plenty of cases where grandparents bring up their grandchildren effectively acting as their parents. Sometimes the children are even deceived into believing their mothers are their sisters. The family relationship quagmire is nothing new although this use if IVF technology is definitely unusual.