He was killed during the Persecution of Christians under the Roman Emperor Trajan.

Her mother's maternal uncle was the Roman Emperor Trajan.

The Roman Emperor Trajan was caught in the earthquake, as was his successor Hadrian.

Her mother was a niece to Roman Emperor Trajan.

It was built in the beginning of the 2nd century during the reign of the Roman Emperor Trajan.

He was father of the Roman Emperor Trajan.

Severus was a politician in the reign of the Roman Emperor Trajan 98-117.

Some believe he suffered martyrdom under the Roman Emperor Trajan or Hadrian, but this is improbable.

The Roman Emperor Trajan officially allowed the Iazyges to settle there as confederates.

Nigrinus was a longstanding friend of the Roman Emperor Trajan and his family.