Wikipedia
Ummidia (gens)
The gens Ummidia was a Roman family which flourished during the 1st and 2nd centuries. The first member of the gens to achieve prominence was Gaius Ummidius Durmius Quadratus, governor of Syria during the reigns of Claudius and Nero. The Ummidii held several consulships in the 2nd century, and through the marriage of Gaius Ummidius Quadratus Annianus Verus were related to the emperor Marcus Aurelius.