Sextius Aelius Catus was father of Aelia Paetina

Aelia Paetina

Aelia Paetina or Paetina was the second wife of the Roman Emperor Claudius. Her biological father was consul of 4, Sextus Aelius Catus while her mother is unknown. She was born into the family of the Aelii Tuberones, and thus apparently descended from the consul of 11 BC...

, second wife of the emperor Claudius

Claudius

Claudius , was Roman Emperor from 41 to 54. A member of the Julio-Claudian dynasty, he was the son of Drusus and Antonia Minor. He was born at Lugdunum in Gaul and was the first Roman Emperor to be born outside Italy...

 from 28 AD to about 31 AD (when Aelia's adoptive brother Sejanus

Sejanus

Lucius Aelius Seianus , commonly known as Sejanus, was an ambitious soldier, friend and confidant of the Roman Emperor Tiberius...

 fell from power). His only known grandchild was Aelia and Claudius's daughter Claudia Antonia

Claudia Antonia

Claudia Antonia was the daughter of the Roman Emperor Claudius and his second wife Aelia Paetina...

, born in 30.

Sextus Aelius Catus was possibly descended from Sextus Aelius Q.f. Paetus Catus

Sextus Aelius Paetus Catus

Sextus Aelius Paetus Catus or Sextus Aelius Q.f. Paetus Catus , was a Roman Republican consul, elected in 198 BC. Today, he is best-known for his interpretation of the laws of the Twelve Tables, which is known to us only through the praise of Cicero...

, consul of 198 BC and later a censor, or from Quintus Aelius Tubero

Quintus Aelius Tubero

Quintus Aelius Tubero was a Roman consul in 11 BC. He was most likely the father of Sextus Aelius Catus, who was himself consul in 4 AD. His granddaughter was Aelia Paetina, who married future Emperor Claudius in 28. Her adopted brother was Lucius Aelius Sejanus, the Praetorian Prefect who was...

, consul 11 BC. His daughter Aelia Paetina is said to belong to the Aelii Tuberones, which implies a descent from the consul of 11 BC.