She is very young at the start of the series where we learn about her rather unhappy childhood.

After an unhappy childhood, he was sent away to a school.

He was an only child and had an unhappy childhood.

He had a mean streak that she attributed to an unhappy childhood.

The fantasy may be a reaction to the artist's unhappy childhood.

Sometimes that quality in people is said to come from a difficult or unhappy childhood.

You're a nice girl without even the blessing of an unhappy childhood.

"Put him on the couch, find out why he had an unhappy childhood?"

The defendant blamed an unhappy childhood for most of his problems.

He had an unhappy childhood from what I made out.