To her sorrow, her only son left her alone.

She mourned over the death of her only son.

She had her only son die.

She lost her only son in the traffic accident.

She may well be proud of her only son.

Their only son has been dead for three years.

He is the son of a wealthy family.

He is the only child they have.

He had his only son killed in an automobile accident.

He had his only son killed in the war.

All his hopes evaporated when he lost his only son in the war.

His only son succeeded to all his wealth.

He has another son.

We named our only son Tom after my grandfather.

I had my only son die of cancer.

It was a great tragedy for them to lose their only son.

The old man had his only son die three years ago.

The accident deprived her of her only son.

The accident deprived them of their only son.