Her hidden pain

Kathryn Sault, Norfolk

Looking on, I watched my older sister Alison, then 35, cradling my newborn son.

‘You’ll be an amazing auntie!’ I said.

Funny, full of life and incredibly smart, Alison was my best friend.

Only three years apart, we were adopted as kids into a loving family.

We had the most idyllic childhood, running wild through the Essex countryside and, as teenagers, visiting our auntie in London.

At school, Alison was a history whizz, and a very talented squash player – but she had a cheeky side.

She’d have the family in stitches around the dinner