The family underwent a remarkable rise in status in only two generations.

The idea was to keep families intact while the parents underwent treatment for problems like drug addiction or domestic violence.

He probably began college when the family underwent a period of financial strains causing his formal education to end by age 17.

The family underwent considerable financial hardships after his father died early.

However, because of the economic problems that his family was undergoing, he decided to devote himself to music.

And it's true that the American family has undergone some very radical changes in the past 25 years.

Before the war, five families of gorillas had undergone what is called "habituation," a process that takes two years or more.

All employees and their families undergo intense health checks every month.

To arrive there, this family has undergone much systematic and taxonomic change.

This family has undergone a large amount of systematic and taxonomic change.