Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.
The word Juliorum could not be parsed. Trying a normal dictionary lookup:
No entries found. Showing closest matches:
Jūlĭō̆brĭga, ae, f., a town in Hispania Tarraconensis, Plin. 3, 3, 4, § 27.
Hence, Jūlĭō̆brĭgensis, is, m., an inhabitant of Juliobriga, Plin. 4, 20, 34, § 110.