Marcia was a maternal aunt to Furnilla's and Titus' daughter Flavia.
Marcia's paternal uncle was the
Africa Province in 41–43, while her maternal grandfather could have been Aulus Antonius Rufus, a Suffect Consul either in 45.[4] The gens of Marcia was connected to the opponents of Roman Emperor Nero. In 65 after the failure of the Pisonian conspiracy
. After Marcia married Traianus, for a time they lived in Italica.
Marcia bore Traianus two children:
A daughter - Ulpia Marciana (48-112/114), who inherited her second name from her mother's paternal ancestry. Marciana married Gaius Salonius Matidius Patruinus, who was a wealthy senator and became Praetor. Marciana bore Patruinus a daughter called Salonia Matidia, who was born in 68.
A son - Marcus Ulpius Traianus, or known as Trajan (53-117). Trajan became and served as a Roman Emperor from 98 until his death in 117. He married a woman called Pompeia Plotina.
Marcia owned clay-bearing estates called the Figlinae Marcianae, which was located in North Italy. When Marcia died, Trajan inherited these estates from his mother. It is unknown if Marcia lived long enough to see Trajan become Emperor.
Legacy
Around 100, her son Trajan founded a colony in North Africa which was called Colonia Marciana Ulpia Traiana Thamugadi (modern Timgad, Algeria). Her son named this town in honor of her, her late husband and her daughter. The colony's name is also a tribute in honoring her family.
^The epitomator of Cassius Dio (72.22) gives the story that Faustina the Elder promised to marry Avidius Cassius. This is also echoed in HA"Marcus Aurelius" 24.