Liat Malka was 35 and single when she decided she wanted a child. The sperm donor she found had died five years previously.Read more
BBC World Service
At the age of 16, Eve Wiley discovered that her biological father was a sperm donor. When she tried to find out who he was, she was shocked. He was her mother's fertility doctor - and had used his own sperm to inseminate her.
Big families are not unusual in the Ukrainian village of Glynn, but one couple has gone further than most.