English: The Vice-Lord Lieutenant of South Glamorgan
Welsh: Is-Arglwydd Raglaw De Morgannwg
Subject: Teitlau anrhydedd
Welsh definition: The role of the Vice Lord Lieutenant is to act for Her Majesty's Lord Lieutenant during his absence from the County, through sickness or other inability to act.
Plural: Is-Arglwydd Raglawiaid De Morgannwg