Giovanni I of Juliana, Giovanni Barle, (1531-1590) was the 11th monarch of Juliana. He is a descendant of the Premis Family and he became the king in 1577 to 1590.
His wife was Carlotta. His children include:
- Giovanni II of Juliana (1553-1607)
- Amalia Barle, married Baron Lodwijck Van Neyt (1555-1617)