Gaddis
From BiblePortal Wikipedia
Hastings' Dictionary of the Bible [1]
Gaddis ( 1M Malachi 2:2 ). The surname of Johanan or John, the eldest brother of Judas Maccabæus. The name perhaps represents the Heb. Gaddi ( Numbers 13:11 ), meaning ‘my fortune.’
International Standard Bible Encyclopedia [2]
gad´is (A Γαδδίς , Gaddı́s ; Καδδίς , Kaddı́s ; the King James Version Caddis ): Surname of John, the eldest brother of Judas Maccabeus (1 Macc 2:2).