Paul Jacobs has helped his father prove skeptics wrong before.

And my father proved right; such an instructor is seldom found.

Quite often, father and son prove that they really love each other, no matter what.

His father had proven a sage in the past.

Tofalos' father opposed to it and finally proved to be right.

Kyria hoped that her father would prove to be anywhere else but his study.

My father proved unable to handle the situation, after one particular incident.

His father proved to be an ongoing mystery in the series.

If she got them on her side, facing Andrew's brothers and his father, the baron, might not prove so difficult.

Eddie is surprised by this, but his father proves to be a huge help.