From Halopedia, the Halo wiki
Species:
Sangheili
Gender:
Male
Affiliation:
Sali 'Nyon's Covenant[1]
Notable info:
The brother of Voro Nar 'Mantakree
Delo is the brother of Voro Nar 'Mantakree and Y'zaht. He still habours a hatred of humanity and currently serves as a trusted lieutenant of Sali 'Nyon.[1]