Did you know that Vassilyev and his first wife, whose name is unknown, holds the record for most children a couple has parented?
Did you know that Mrs Vassilyev gave birth to a total of 69 children: sixteen pairs of twins, seven sets of triplets and four sets of quadruplets between 1725 and 1765, in a total of 27 births?
Did you know that 67 of the 69 children born to the Vassilyev were said to have survived infancy? 
Did you know that Vassilyev also had six sets of twins and two sets of triplets with a second wife, for another 18 children in only eight births?
Did you know that in 1910, a Chinese boy aged 9 and a Chinese girl aged 8 became the nation’s youngest parents ever?
Did you know that Doctors performed Cesarean section on the little mother after she started having contractions?
Did you know that the baby-boy was born weighing 2.75 kg?
Did you know that Yelizaveta “Liza” Gryshchenko was 5 years old when her 70-year-old maternal grandfather raped her?
Did you know that Gryshchenko gave to her first child when she was five years old? had her 6th birthday several days before giving birth.
Did you know that Gryshchenko’s parents did not want the obstetricians to perform a cesarean section, as it was considered dangerous at the time?
Did you know that Gryshchenko baby girl weighed 3 kg (6.6 lb), and was 52 cm (20 in)?
Did you know that Gryshchenko carried the baby to full term and apparently of good constitution, and, according to doctors, would have survived if she had been extracted more quickly?
Now if you didn’t know, now you know…
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