Britain's biggest family expecting baby No. 22

The biggest family in the U.K. is spanding – Sue Radford announced in a video posted on her Youtube channel that she is about 15 weeks pregnant with her 22nd child.

"We couldn't keep the secret any longer," says the description of the video.

The 44-year-old mother said they will soon be able to find out the gender of the baby.

Sue and Noel Radford, from Morecambe, Lancashire, are already parents to 11 girls and 10 boys aged between 18 months and 30, according to the Daily mail.

The Radford family on "This Morning" when there were 17 children in 2015. [File Photo: wenn via IC ]