The Expositor’s Bible Commentary volume 2 p.313 says that dual names for the same person are well known from South Arabic sources too. In addition to providing these examples, Kenneth Kitchen in Ancient Orient and Old Testament (IVP 1966) p.121-124, mentions that double names were common in Canaan, Old South Arabia, the Hurrians, and the Hittites.
The Expositor’s Bible Commentary juzuu ya 2 uk.313 inasema kuwa vyanzo vya kusini mwa Arabia pia vina watu wenye kuwa na majina mawili. Isitoshe, akitoa mifano hii kwenye Ancient Orient and Old Testament (IVP 1966) uk.121-124, Kenneth Kitchen anasema kuwa majina mawili yalikuwepo Kanaaani, Arabia ya Kusini ya Kale, Wahuria, na Wahiti.